Networks Analysis and Synthesis - Engineering

Q1:

Two currents have the same peak value. Wave 1 is sinusoidal and wave 2 is rectangular. The ratio of their heating effects are

A 1 : 1

B
1 : 2

C 1 : 2

D 1 : 1.5

ANS:C - 1 : 2

If peak value is Im, heating effect of sine wave and heating effect of rectangular wave ∝ Im2.