Q.
A coil of area 100cm2 having 50 turns is perpendicular to a magnetic field of intensity 0.02 weber/m2. The resistance of the coil is 2 Ω. If it is removed in 1 sec. from the magnetic field, the induced charge produced is
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a
5 C
b
0.5 C
c
0.05 C
d
0.005 C
answer is D.
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Detailed Solution
Induced charge q is given byq=NBAR=50×0⋅02×100×10−42=0⋅005C
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