Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question
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Question

When the current flowing in a coil is doubled and the number of turns of the coil is halved, the magnetic field at its centre will become
Options
A four times
B same
Correct Answer
C half
D double
Correct Answer

Option B is the correct answer.

Detailed Explanation

Field proportional to N x I. New (N/2)(2I)=NxI, unchanged.

Hint

Field proportional to N x I.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 26
Type: Objective
Difficulty: Not specified
Question 1558 of 1819
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