Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question
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Question

A magnetic induction of 20 uT is applied by a long straight current-carrying wire at radius 120 mm. Find the current in the wire.
Options
A 120 A
B 1.2 A
C 12 A
Correct Answer
D 0.12 A
Correct Answer

Option C is the correct answer.

Detailed Explanation

I=(2pir*B)/mu0=(20x10-6)(0.12)/(2x10-7)=12 A.

Hint

I=(2*pi*r*B)/mu0=(20x10-6)(0.12)/(2x10-7)=12 A.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 26
Type: Objective
Difficulty: Not specified
Question 1517 of 1819
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