A) \[200\,\,V\]
B) \[250\,\,V\]
C) \[300\,\,V\]
D) \[350\,\,V\]
Correct Answer: B
Solution :
Included emf \[e=-L\frac{di}{dt}\] Given, \[L=10H,\,\,\Delta i=9-4=5A,\,\,dt=0.2s\] \[e=10\times \frac{5}{0.2}=250V\]You need to login to perform this action.
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