Electro Magnetic Induction And Alternating Currents Question 363

Question: A magnet is brought towards a coil (i) speedly (ii) slowly then the induced e.m.f./induced charge will be respectively [RPMT 1997; MP PMT 2003]

Options:

A) More in first case / More in first case

B) More in first case/Equal in both case

C) Less in first case/More in second case

D) Less in first case/Equal in both case

Show Answer

Answer:

Correct Answer: B

Solution:

The magnitude of induced e.m.f. is directly proportional to the rate of change of magnetic flux. Induced charge doesn?t depend upon time.



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