Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Alternating Current

Question:

Options:

a

b

c

d

Correct Answer:

b

Explanation:

$ I_{rms} = \frac{V_{rms}}{Z} = \sqrt 2$

$P = V_{rms}I_{rms} cos\phi = \frac{220}{\sqrt 2} \sqrt 2 cos 60^o = 110W$