Questions
A metallic ring, having area and resistance is held in a uniform magnetic field of induction with its plane perpendicular to the field. If the field is switched off in a time interval of 0.1 second, then the average current induced is
detailed solution
Correct option is A
ε=Average induced emf =1×20.1μV=20 μV∴ Average current I=2010μA=2μA.Talk to our academic expert!
Similar Questions
The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/s. Each side of the square loop ABCD has a length of 1 cm and resistance of Find the current in the wire AB if the switch S is closed
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