Electro Magnetic Induction And Alternating Currents Question 399

Question: Magnetic flux in a circuit containing a coil of resistance $ 2\Omega $ changes from 2.0 Wb to 10 Wb in 0.2 sec. The charge passed through the coil in this time is [DPMT 2003]

Options:

A) 0.8 C

B) 1.0 C

C) 5.0 C

D) 4.0 C

Show Answer

Answer:

Correct Answer: D

Solution:

$ q=\frac{N}{R}(\Delta \varphi )=\frac{1}{2}\times (10-2)=4C $



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