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