Question Detail

PHY 102 Test Compilation PHY 102 8 Objective Question

Question

The energy stored in a 10 μF capacitor when charged to 500 V is
Options
A 1.25 mJ
B 0.025 μJ
C 1.25 J
Correct Answer
D 50 J
Correct Answer

Option C is the correct answer.

Detailed Explanation

U = ½ CV² = 0.5 × 10×10⁻⁶ × (500)² = 5×10⁻⁶ × 250000 = 1.25 J.

Hint

U = ½ CV².

Question Info