A) 2
B) 4
C) 6
D) None of these
Correct Answer: A
Solution :
\[|dq|=\frac{d\varphi }{R}=i\ dt=\]Area under i ? t graph \[\therefore d\varphi =\](Area under i ? t graph) R \[=\frac{1}{2}\times 4\times 0.1\times (10)=2\ wb.\]
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