Question Detail

PHY 102 Test Compilation PHY 102 7 Objective Question
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Question

Straight conductor length 25 cm moves at 30 m/s in B=0.4 T, resistance 0.8 Ω. Current?
Options
A 0.72 A
B 1.15 A
C 2.08 A
D 3.75 A
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

emf = B L v = 0.4 × 0.25 × 30 = 3 V. I = emf/R = 3/0.8 = 3.75 A.

Hint

I = (B L v)/R.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 7
Type: Objective
Difficulty: Not specified
Question 499 of 1819
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