Electro Magnetic Induction And Alternating Currents Question 594

Question: A coil resistance 20W and inductance 5H is connected with a 100V battery. Energy stored in the coil will be [MP PMT 2003]

Options:

A) 41.5 J

B) 62.50 J

C) 125 J

D) 250 J

Show Answer

Answer:

Correct Answer: B

Solution:

U=12Li2=12L(ER)2=12×5×(10020)2=62.50J



NCERT Chapter Video Solution

Dual Pane