Electro Magnetic Induction And Alternating Currents Question 589

Question: The self-induced e.m.f. in a 0.1 H coil when the current in it is changing at the rate of 200 ampere/second is [DPMT 2002]

Options:

A) 8×104,V

B) 8×105,V

C) 20,V

D) 125,V

Show Answer

Answer:

Correct Answer: C

Solution:

e=Ldidte=0.1×200=20V



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