Question Detail

PHY 102 Test Compilation PHY 102 24 Objective Question
Take CBT

Question

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

Option A is the correct answer.

Detailed Explanation

Parallel C = 15+5 = 20 F. U = (1/2)CV2 = (0.5)(20)(400) = 4000 J.

Hint

Parallel C = 15+5 = 20 F.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 24
Type: Objective
Difficulty: Not specified
Question 1429 of 1819
Previous Course Details Next