In a coil of resistance 10Ω, the induced current developed by changing magnetic flux through it, is shown in Fig. as a function of time. The magnitude of change in flux through the coil in weber is :
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a
6
b
4
c
8
d
2
answer is D.
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Detailed Solution
q=∆ϕR ⇒∆ϕ=qR=(Area under the curve) x R =4 x 0.12 x 10=2 weber
In a coil of resistance 10Ω, the induced current developed by changing magnetic flux through it, is shown in Fig. as a function of time. The magnitude of change in flux through the coil in weber is :