Question

calculate the power dissipated in a 10 ohm resistor when the current through the resistor is
(a) 2 amp. (b) 4 amp.

Answer 1

Answer:

40 W, 160 W

Explanation:

R = 10 ohm

I = 2 A

P = I*I*R =  2 * 2 * 10 = 40 W

Now, I = 4 A

So, P = 4*4*10 = 160 W