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PHY 102 Test Compilation PHY 102 4 Objective Question
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Question

Capacitance 15F and 5F are connected in parallel across a 20v battery. What is the energy stored?
Options
A 4000J
Correct Answer
B 0.004J
C 200J
D 400J
Correct Answer

Option A is the correct answer.

Detailed Explanation

C_parallel = 15+5 = 20 F. Energy = ½ C V² = 0.5 × 20 × 400 = 4000 J.

Hint

U = ½ CV².

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 4
Type: Objective
Difficulty: Not specified
Question 341 of 1819
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