Questions
In a coil of area 10 cm2 and 10 turns with a magnetic field directed perpendicular to the plane and is changing at the rate of 108 gauss/second. The resistance of the coil is 20 ohm. The current in the coil will be
detailed solution
Correct option is A
I=eR=−N(dϕ/dt)R=10×108×10−4×10−4×1020=5ATalk to our academic expert!
Similar Questions
A square wire loop, of side a has a long straight wire carrying a constant current i that passes through the centre of the loop and perpendicular to its plane as shown in Fig.
The current induced in the square loop is
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