Question Detail

PHY 102 Electromagnetic Induction 2 Objective Question
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Question

In the Mutual Inductance Formula M = (μ₀μᵣN₁N₂A) / l, what does 'μᵣ' represent?
Options
A The permeability of free space.
B The relative permeability of the soft iron core.
Correct Answer
C The number of turns in the primary coil.
D The cross-sectional area of the coil.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 37 lists the components of the Mutual Inductance Formula: '•μᵣ is the relative permeability of the soft iron core'.

Hint

The 'r' in the subscript often denotes 'relative'.

Question Info

Course: PHY 102
Topic: Electromagnetic Induction 2
Type: Objective
Difficulty: Not specified
Question 770 of 1819
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