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This is a timed quiz. You will be given 120 seconds to answer all questions. Are you ready?
120
The retentivity (a property) of material is useful for the construction of
Correct!
Wrong!
Strength of an electromagnet can be increased by
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Wrong!
A magnetic field exists around
Correct!
Wrong!
Which of the following is not a unit of flux?
Correct!
Wrong!
The magnetism left in the iron after exciting field has been removed is known as
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Wrong!
Temporary magnets are used in
Correct!
Wrong!
The materials having low retentivity are suitable for making
Correct!
Wrong!
If the steel disk in a crankshaft position sensor has stopped with the tab in the magnet's air gap, the induced voltage
Correct!
Wrong!
Science Quiz 84
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