Question

Magnetic flux in a circuite containing a coil of resistance `2Omega`change from `2.0Wb` to `10 Wb` in `0.2 sec`. The charge passed through the coil in this time is
A. 5.0 C
B. 4.0 C
C. 1.0 C
D. 0.8 C

Answer 1

Correct Answer - B
As, charge, `DeltaQ=(Deltaphi)/(R)=((10-2))/(2)=4C`