Quiz on Electromagnetic swing
{“questions”:{“z2bif”:{“id”:”z2bif”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary principle behind the operation of an electromagnetic swing?\r\n”,”desc”:””,”hint”:””,”answers”:{“xms5i”:{“id”:”xms5i”,”image”:””,”imageId”:””,”title”:”a) Magnetism induces motion through a physical link\r\n”},”l4v0v”:{“id”:”l4v0v”,”image”:””,”imageId”:””,”title”:”b) Electric current interacts with a magnetic field to create movement\r\n”,”isCorrect”:”1″},”97izz”:{“id”:”97izz”,”image”:””,”imageId”:””,”title”:”c) Gravitational force powers the swing\r\n”},”qitt4″:{“id”:”qitt4″,”image”:””,”imageId”:””,”title”:”d) Mechanical force is converted into electrical energy\r\n”}}},”oy1tq”:{“id”:”oy1tq”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”In an electromagnetic swing, which of the following is essential to generate.