Electro Magnetic Induction And Alternating Currents Question 87

Question: A sinusoidal ac current flows through a resistor of resistance R. If the peak current is Ip , then the power dissipated is [MP PMT 1991]

Options:

A) Ip2Rcosθ

B) 12Ip2R

C) 4πIp2R

D) 1πIp2R

Show Answer

Answer:

Correct Answer: B

Solution:

Power =I2R=(Ip2)2R=Ip2R2



NCERT Chapter Video Solution

Dual Pane