Question Detail

PHY 102 Test Compilation PHY 102 5 Objective Question
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Question

Potential difference across 4Ω resistor is 20V. Heat radiated in 10 seconds?
Options
A 1000 J
Correct Answer
B 100 J
C 0.100 J
D 10 J
Correct Answer

Option A is the correct answer.

Detailed Explanation

Power P = V²/R = 400/4 = 100 W. Energy = P×t = 100×10 = 1000 J.

Hint

E = (V²/R) × t.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 5
Type: Objective
Difficulty: Not specified
Question 424 of 1819
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