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 $
