Multiple choice

If current is 400 mA and 200 ohm is the resistance, then calculate the power.

  1. 32 W

  2. 200 W

  3. 32 MW

  4. 0.0008 W

  5. 1250 W
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

V = IR,  P = VI, P = I*I*R,  P = 400 10-3 400 * 10-3200 = 32 10-6 * 106,mili is converted into 10-3 and micro converted into10-6. Therefore, answer is = 32 W

Keep practicing — related questions