Quizzes

{“questions”:{“h7zl6”:{“id”:”h7zl6″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Magnitude of current induced in the coil can be increased by increasing:\r\n”,”desc”:””,”hint”:””,”answers”:{“vdy6k”:{“id”:”vdy6k”,”image”:””,”imageId”:””,”title”:”Number of coil turns”},”pkua7″:{“id”:”pkua7″,”image”:””,”imageId”:””,”title”:”Strength of magnet”},”y16nz”:{“id”:”y16nz”,”image”:””,”imageId”:””,”title”:”Speed of coil rotation”},”bw0lv”:{“id”:”bw0lv”,”image”:””,”imageId”:””,”title”:”All of the above”,”isCorrect”:”1″}}},”wl3y8″:{“id”:”wl3y8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”When an object falls freely towards the ground, then its total energy:\r\n”,”desc”:””,”hint”:””,”answers”:{“b6am3”:{“id”:”b6am3″,”image”:””,”imageId”:””,”title”:”Increases\t”},”snpiy”:{“id”:”snpiy”,”image”:””,”imageId”:””,”title”:”First increases then decreases”},”028f8″:{“id”:”028f8″,”image”:””,”imageId”:””,”title”:”Decreases\t”},”xtswf”:{“id”:”xtswf”,”image”:””,”imageId”:””,”title”:”Remains constant”,”isCorrect”:”1″}}},”744xx”:{“id”:”744xx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which metal wire is used in the coil of the motor used commercially?\r\n”,”desc”:””,”hint”:””,”answers”:{“bs73a”:{“id”:”bs73a”,”image”:””,”imageId”:””,”title”:”Copper\t”,”isCorrect”:”1″},”ebuvh”:{“id”:”ebuvh”,”image”:””,”imageId”:””,”title”:”Nickel”},”th49l”:{“id”:”th49l”,”image”:””,”imageId”:””,”title”:”Silver\t”},”tgm59″:{“id”:”tgm59″,”image”:””,”imageId”:””,”title”:”none”}}},”yd8cb”:{“id”:”yd8cb”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the current flowing in…

{“questions”:{“e5jtf”:{“id”:”e5jtf”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Queen is __ points ?\r\n”,”desc”:””,”hint”:””,”answers”:{“b4fv3”:{“id”:”b4fv3″,”image”:””,”imageId”:””,”title”:”3″},”frmdt”:{“id”:”frmdt”,”image”:””,”imageId”:””,”title”:”4″},”pb021″:{“id”:”pb021″,”image”:””,”imageId”:””,”title”:”5″},”25w8h”:{“id”:”25w8h”,”image”:””,”imageId”:””,”title”:”9″,”isCorrect”:”1″}}},”5zu4f”:{“id”:”5zu4f”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Rook is ______ points\r\n”,”desc”:””,”hint”:””,”answers”:{“4i892”:{“id”:”4i892″,”image”:””,”imageId”:””,”title”:”4″},”ttotl”:{“id”:”ttotl”,”image”:””,”imageId”:””,”title”:”3″},”wibub”:{“id”:”wibub”,”image”:””,”imageId”:””,”title”:”5″,”isCorrect”:”1″},”xwkqt”:{“id”:”xwkqt”,”image”:””,”imageId”:””,”title”:”9″}}},”s7inp”:{“id”:”s7inp”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What piece can jump over other pieces ?\r\n”,”desc”:””,”hint”:””,”answers”:{“juqva”:{“id”:”juqva”,”image”:””,”imageId”:””,”title”:”Knight\t”,”isCorrect”:”1″},”510hw”:{“id”:”510hw”,”image”:””,”imageId”:””,”title”:”King”},”wajly”:{“id”:”wajly”,”image”:””,”imageId”:””,”title”:”Queen\t”},”4od8e”:{“id”:”4od8e”,”image”:””,”imageId”:””,”title”:”None of these”}}},”5xodt”:{“id”:”5xodt”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”How many playing squares are there on a standard chess board ?\r\n”,”desc”:””,”hint”:””,”answers”:{“dy7ac”:{“id”:”dy7ac”,”image”:””,”imageId”:””,”title”:”48\t”},”o7kug”:{“id”:”o7kug”,”image”:””,”imageId”:””,”title”:”72″},”6xi93″:{“id”:”6xi93″,”image”:””,”imageId”:””,”title”:”64\t”,”isCorrect”:”1″},”ogsyd”:{“id”:”ogsyd”,”image”:””,”imageId”:””,”title”:” None of these”}}},”nwepe”:{“id”:”nwepe”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”At the beginning of a game of chess, how many chess pieces does each player have (pawns are considered pieces)?\r\n”,”desc”:””,”hint”:””,”answers”:{“dmdpi”:{“id”:”dmdpi”,”image”:””,”imageId”:””,”title”:”16″,”isCorrect”:”1″},”5qizx”:{“id”:”5qizx”,”image”:””,”imageId”:””,”title”:”8″},”qky9t”:{“id”:”qky9t”,”image”:””,”imageId”:””,”title”:”5″},”0eou4″:{“id”:”0eou4″,”image”:””,”imageId”:””,”title”:”12″}}},”x9rpv”:{“id”:”x9rpv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The object of the game of…

{“questions”:{“517sy”:{“id”:”517sy”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”When were bar code scanners invented?\r\n”,”desc”:””,”hint”:””,”answers”:{“0tiuc”:{“id”:”0tiuc”,”image”:””,”imageId”:””,”title”:”1950s\t”},”1r2kb”:{“id”:”1r2kb”,”image”:””,”imageId”:””,”title”:”1980s\t”},”gcsw8″:{“id”:”gcsw8″,”image”:””,”imageId”:””,”title”:”1960s”},”89ytc”:{“id”:”89ytc”,”image”:””,”imageId”:””,”title”:”1970s”,”isCorrect”:”1″}}},”wfapx”:{“id”:”wfapx”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who among the following invented the Steel Converter?\r\n”,”desc”:””,”hint”:””,”answers”:{“zyz0q”:{“id”:”zyz0q”,”image”:””,”imageId”:””,”title”:”Robert Koch”},”mvaf8″:{“id”:”mvaf8″,”image”:””,”imageId”:””,”title”:”Henry Bessemer”,”isCorrect”:”1″},”wlazg”:{“id”:”wlazg”,”image”:””,”imageId”:””,”title”:”Robert Hooke”},”7lvd8″:{“id”:”7lvd8″,”image”:””,”imageId”:””,”title”:”None”}}},”0xhux”:{“id”:”0xhux”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who invented Bifocal Lens?\r\n”,”desc”:””,”hint”:””,”answers”:{“hxlfa”:{“id”:”hxlfa”,”image”:””,”imageId”:””,”title”:”Benjamin Franklin”,”isCorrect”:”1″},”cg1js”:{“id”:”cg1js”,”image”:””,”imageId”:””,”title”:”Theodore Roosevelt”},”k2yyb”:{“id”:”k2yyb”,”image”:””,”imageId”:””,”title”:”Thomas Jefferson”},”jlkb5″:{“id”:”jlkb5″,”image”:””,”imageId”:””,”title”:”Rutherford B. Hayes”}}},”ezbzm”:{“id”:”ezbzm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”This English inventor is known as the ‘Father of Computing.’\r\n”,”desc”:””,”hint”:””,”answers”:{“ervji”:{“id”:”ervji”,”image”:””,”imageId”:””,”title”:”J. Presper Eckert”},”y8s8g”:{“id”:”y8s8g”,”image”:””,”imageId”:””,”title”:”John Mauchly”},”lbrgy”:{“id”:”lbrgy”,”image”:””,”imageId”:””,”title”:”Charles Babbage”,”isCorrect”:”1″},”tze7o”:{“id”:”tze7o”,”image”:””,”imageId”:””,”title”:”None”}}},”mzxpw”:{“id”:”mzxpw”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who invented Airship (rigid)?\r\n”,”desc”:””,”hint”:””,”answers”:{“3x1i3”:{“id”:”3x1i3″,”image”:””,”imageId”:””,”title”:”J. R. Gluber”},”k9zyu”:{“id”:”k9zyu”,”image”:””,”imageId”:””,”title”:”W. Bickford”},”srbfn”:{“id”:”srbfn”,”image”:””,”imageId”:””,”title”:”G. Fawks”},”od9k9″:{“id”:”od9k9″,”image”:””,”imageId”:””,”title”:”G. Ferdinand Von Zeppelin”,”isCorrect”:”1″}}},”ihzsl”:{“id”:”ihzsl”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who invented Electric Generator?\r\n”,”desc”:””,”hint”:””,”answers”:{“acijl”:{“id”:”acijl”,”image”:””,”imageId”:””,”title”:” Thomas Alva Edison”},”6ytjd”:{“id”:”6ytjd”,”image”:””,”imageId”:””,”title”:”Alfred B. Nobel”},”j4wat”:{“id”:”j4wat”,”image”:””,”imageId”:””,”title”:”Sir…

{“questions”:{“kidqv”:{“id”:”kidqv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”In which decade was the transistor invented?\r\n”,”desc”:””,”hint”:””,”answers”:{“cgsza”:{“id”:”cgsza”,”image”:””,”imageId”:””,”title”:”1980s\t”},”ruf7r”:{“id”:”ruf7r”,”image”:””,”imageId”:””,”title”:”1940s”,”isCorrect”:”1″},”pnaot”:{“id”:”pnaot”,”image”:””,”imageId”:””,”title”:”1960s”},”w383o”:{“id”:”w383o”,”image”:””,”imageId”:””,”title”:”1950s\t”}}},”gtpg8″:{“id”:”gtpg8″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who among the following invented the Steel Converter?\r\n”,”desc”:””,”hint”:””,”answers”:{“lp6o8”:{“id”:”lp6o8″,”image”:””,”imageId”:””,”title”:”Robert Koch”},”02npb”:{“id”:”02npb”,”image”:””,”imageId”:””,”title”:”Henry Bessemer”,”isCorrect”:”1″},”ten7s”:{“id”:”ten7s”,”image”:””,”imageId”:””,”title”:”Robert Hooke”},”u7vnr”:{“id”:”u7vnr”,”image”:””,”imageId”:””,”title”:”None”}}},”19n0z”:{“id”:”19n0z”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who invented Bifocal Lens?\r\n”,”desc”:””,”hint”:””,”answers”:{“pusbt”:{“id”:”pusbt”,”image”:””,”imageId”:””,”title”:”Benjamin Franklin”,”isCorrect”:”1″},”8tuua”:{“id”:”8tuua”,”image”:””,”imageId”:””,”title”:”Theodore Roosevelt”},”4836k”:{“id”:”4836k”,”image”:””,”imageId”:””,”title”:”Rutherford B. Hayes”},”31dcy”:{“id”:”31dcy”,”image”:””,”imageId”:””,”title”:”Thomas Jefferson”}}},”0qywc”:{“id”:”0qywc”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?\r\n”,”desc”:””,”hint”:””,”answers”:{“ejbpw”:{“id”:”ejbpw”,”image”:””,”imageId”:””,”title”:”Cyclotron”},”pmqyn”:{“id”:”pmqyn”,”image”:””,”imageId”:””,”title”:”Betatron”},”4bsso”:{“id”:”4bsso”,”image”:””,”imageId”:””,”title”:”Television”,”isCorrect”:”1″},”1s7sp”:{“id”:”1s7sp”,”image”:””,”imageId”:””,”title”:”None”}}},”d5kbo”:{“id”:”d5kbo”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Gasoline powered automobile was invented by?\r\n”,”desc”:””,”hint”:””,”answers”:{“4aa2h”:{“id”:”4aa2h”,”image”:””,”imageId”:””,”title”:”J. R. Gluber\t”},”s4a5l”:{“id”:”s4a5l”,”image”:””,”imageId”:””,”title”:”G. Fawks”},”0ifyc”:{“id”:”0ifyc”,”image”:””,”imageId”:””,”title”:”W. Bickford”},”ik6p3″:{“id”:”ik6p3″,”image”:””,”imageId”:””,”title”:”Karl Benz”,”isCorrect”:”1″}}},”r1scm”:{“id”:”r1scm”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Who invented Electric Generator?\r\n”,”desc”:””,”hint”:””,”answers”:{“cac8z”:{“id”:”cac8z”,”image”:””,”imageId”:””,”title”:”Thomas Alva Edison\t”},”buxgn”:{“id”:”buxgn”,”image”:””,”imageId”:””,”title”:”Alfred B. Nobel”},”0igra”:{“id”:”0igra”,”image”:””,”imageId”:””,”title”:”Michael Faraday”,”isCorrect”:”1″},”291uo”:{“id”:”291uo”,”image”:””,”imageId”:””,”title”:”Sir…

{“questions”:{“pewgq”:{“id”:”pewgq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Material produced from living or recently living plants or animals and their metabolic byproduct is?\r\n”,”desc”:””,”hint”:””,”answers”:{“sheba”:{“id”:”sheba”,”image”:””,”imageId”:””,”title”:”char\t”},”3su6w”:{“id”:”3su6w”,”image”:””,”imageId”:””,”title”:”MSW”},”nppbx”:{“id”:”nppbx”,”image”:””,”imageId”:””,”title”:”biofuel\t”},”whlzy”:{“id”:”whlzy”,”image”:””,”imageId”:””,”title”:”biomass”,”isCorrect”:”1″}}},”gpf0w”:{“id”:”gpf0w”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Photovoltaic cells convert sunlight into:\r\n”,”desc”:””,”hint”:””,”answers”:{“mfurs”:{“id”:”mfurs”,”image”:””,”imageId”:””,”title”:”Light\t”},”l5zng”:{“id”:”l5zng”,”image”:””,”imageId”:””,”title”:”Electricity”,”isCorrect”:”1″},”e48k0″:{“id”:”e48k0″,”image”:””,”imageId”:””,”title”:”Motion”},”sd4cm”:{“id”:”sd4cm”,”image”:””,”imageId”:””,”title”:”Heat\t”}}},”sim4h”:{“id”:”sim4h”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The sun produces energy using _____.\r\n”,”desc”:””,”hint”:””,”answers”:{“1uv3e”:{“id”:”1uv3e”,”image”:””,”imageId”:””,”title”:”fusion\t”,”isCorrect”:”1″},”vlzhs”:{“id”:”vlzhs”,”image”:””,”imageId”:””,”title”:”geothermal”},”7pfsf”:{“id”:”7pfsf”,”image”:””,”imageId”:””,”title”:”fission”},”op2vm”:{“id”:”op2vm”,”image”:””,”imageId”:””,”title”:”biomass\t”}}},”p9w4p”:{“id”:”p9w4p”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which country leads the world in the production of solar energy?\r\n”,”desc”:””,”hint”:””,”answers”:{“6rg5m”:{“id”:”6rg5m”,”image”:””,”imageId”:””,”title”:”The U.S. of America”},”fw3ry”:{“id”:”fw3ry”,”image”:””,”imageId”:””,”title”:”Australia”},”d13ti”:{“id”:”d13ti”,”image”:””,”imageId”:””,”title”:”Germany\t”,”isCorrect”:”1″},”187xv”:{“id”:”187xv”,”image”:””,”imageId”:””,”title”:”Africa”}}},”hhd9l”:{“id”:”hhd9l”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Renewable resource come from___________ processes?\r\n”,”desc”:””,”hint”:””,”answers”:{“1mjo4”:{“id”:”1mjo4″,”image”:””,”imageId”:””,”title”:”natural\t”,”isCorrect”:”1″},”h99f9″:{“id”:”h99f9″,”image”:””,”imageId”:””,”title”:”environmental”},”uk3rp”:{“id”:”uk3rp”,”image”:””,”imageId”:””,”title”:”fake\t”},”ge9db”:{“id”:”ge9db”,”image”:””,”imageId”:””,”title”:”neutral”}}},”9d3el”:{“id”:”9d3el”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Earth\u2019s outer layer rock is called as __________\r\n”,”desc”:””,”hint”:””,”answers”:{“v8sa1”:{“id”:”v8sa1″,”image”:””,”imageId”:””,”title”:”Outer core\t”},”924zp”:{“id”:”924zp”,”image”:””,”imageId”:””,”title”:”Crust”,”isCorrect”:”1″},”h18l2″:{“id”:”h18l2″,”image”:””,”imageId”:””,”title”:”Asthenosphere”},”u195g”:{“id”:”u195g”,”image”:””,”imageId”:””,”title”:”Mantle\t”}}},”g82u9″:{“id”:”g82u9″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”A spring that shoots jets of hot…

{“questions”:{“nc5vk”:{“id”:”nc5vk”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Substances which have permeability less than the permeability of free space are known as\r\n”,”desc”:””,”hint”:””,”answers”:{“g5hyz”:{“id”:”g5hyz”,”image”:””,”imageId”:””,”title”:”Bipolar\t”},”6oqb7″:{“id”:”6oqb7″,”image”:””,”imageId”:””,”title”:”Diamagnetic”,”isCorrect”:”1″},”1wppt”:{“id”:”1wppt”,”image”:””,”imageId”:””,”title”:”Ferromagnetic”},”0nf8y”:{“id”:”0nf8y”,”image”:””,”imageId”:””,”title”:”Paramagnetic\t”}}},”9hrhd”:{“id”:”9hrhd”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The stray line of magnetic flux is defined as\r\n”,”desc”:””,”hint”:””,”answers”:{“uikuq”:{“id”:”uikuq”,”image”:””,”imageId”:””,”title”:” a line of magnetic flux in a non-uniform field”},”ixer3″:{“id”:”ixer3″,”image”:””,”imageId”:””,”title”:” a line vertical to the flux lines”},”nf8vj”:{“id”:”nf8vj”,”image”:””,”imageId”:””,”title”:”a line of magnetic flux which does not follow the designed path”,”isCorrect”:”1″},”3a3g3″:{“id”:”3a3g3″,”image”:””,”imageId”:””,”title”:”the mean length of a ring shaped…

{“questions”:{“vusvh”:{“id”:”vusvh”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The unit of flux is the same as that of\r\n”,”desc”:””,”hint”:””,”answers”:{“vtdi0”:{“id”:”vtdi0″,”image”:””,”imageId”:””,”title”:”pole strength”,”isCorrect”:”1″},”ql1ar”:{“id”:”ql1ar”,”image”:””,”imageId”:””,”title”:”reluctance\t”},”annv0″:{“id”:”annv0″,”image”:””,”imageId”:””,”title”:”permeance\t”},”n3bpb”:{“id”:”n3bpb”,”image”:””,”imageId”:””,”title”:”resistance”}}},”0gw8k”:{“id”:”0gw8k”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”The materials having low retentivity are suitable for making\r\n”,”desc”:””,”hint”:””,”answers”:{“ou0tw”:{“id”:”ou0tw”,”image”:””,”imageId”:””,”title”:”weak magnets”},”wb7h7″:{“id”:”wb7h7″,”image”:””,”imageId”:””,”title”:” heating magnets”},”5u8ui”:{“id”:”5u8ui”,”image”:””,”imageId”:””,”title”:”permanent magnets”},”ark82″:{“id”:”ark82″,”image”:””,”imageId”:””,”title”:”temporary magnets”,”isCorrect”:”1″}}},”q94s1″:{“id”:”q94s1″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”A keeper is used to\r\n”,”desc”:””,”hint”:””,”answers”:{“70rb4”:{“id”:”70rb4″,”image”:””,”imageId”:””,”title”:”change the direction of magnetic lines”},”gbtya”:{“id”:”gbtya”,”image”:””,”imageId”:””,”title”:”provide a closed path for flux”,”isCorrect”:”1″},”zbfsa”:{“id”:”zbfsa”,”image”:””,”imageId”:””,”title”:”amplify flux”},”r2pl3″:{“id”:”r2pl3″,”image”:””,”imageId”:””,”title”:”restore lost flux\t”}}},”8hvyv”:{“id”:”8hvyv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”A permanent magnet\r\n”,”desc”:””,”hint”:””,”answers”:{“43w4l”:{“id”:”43w4l”,”image”:””,”imageId”:””,”title”:”attracts only ferromagnetic substances”},”d2pe5″:{“id”:”d2pe5″,”image”:””,”imageId”:””,”title”:”attracts all paramagnetic substances and repels others”},”lqa3g”:{“id”:”lqa3g”,”image”:””,”imageId”:””,”title”:”attracts some substances and…