A) 40 V
B) 140 V
C) 10 V
D) 300 V
Correct Answer: C
Solution :
(c) 10 V Here, \[\phi =5{{t}^{3}}-50t+200\] and \[t=2s\] We know that. induced emf \[\varepsilon =\left| \frac{-d\phi }{dt} \right|=15{{t}^{2}}-50\] \[{{\left| \frac{-d\phi }{dt} \right|}_{t=2}}=15{{(2)}^{2}}-50=60-50=10\,V\]You need to login to perform this action.
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