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PHY 102 Test Compilation PHY 102 25 Objective Question
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Question

A coil has 45 turns and an area of 1.8x10-2 m2. If the torque on the coil is 2.5x10-2 N.m in a magnetic field of 0.08 T, calculate the current flowing in the coil.
Options
A 0.05 A
B 0.08 A
C 0.39 A
Correct Answer
D 0.72 A
Correct Answer

Option C is the correct answer.

Detailed Explanation

I = tau/(NAB) = 0.025/[(45)(0.018)(0.08)] = 0.386 A.

Hint

I = tau/(NAB) = 0.025/[(45)(0.018)(0.08)] = 0.386 A.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 25
Type: Objective
Difficulty: Not specified
Question 1479 of 1819
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