Electro Magnetic Induction And Alternating Currents Question 377

Question: In a circuit with a coil of resistance 2 ohms, the magnetic flux changes from 2.0 Wb to 10.0 Wb in 0.2 second. The charge that flows in the coil during this time is [MP PMT 1997]

Options:

A) 5.0 coulomb

B) 4.0 coulomb

C) 1.0 coulomb

D) 0.8 coulomb

Show Answer

Answer:

Correct Answer: B

Solution:

$ \Delta Q=\frac{\Delta \varphi }{R}=\frac{( 10-2 )}{2}=4C $



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