Questions
A metallic square loop ABCD is moving in its own plane with velocity v in a uniform magnetic field perpendicular to its plane as shown in the figure. An electric field is induced
detailed solution
Correct option is D
Both AD and BC are straight conductors moving in a uniform magnetic field and emf will be induced in both. This will cause electric fields in both, but no net current flows in the circuitTalk to our academic expert!
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A coil having n turns and resistance R is connected with a galvanometer of resistance 4 R . This combination is moved in time t seconds from a magnetic field B1 weber to B2 weber. The induced current in the-circuit is
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