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Question
A solenoid has a core of material with relative permeability 500 and its windings carry a current of 1 A. The number of turns of the solenoid is 500 per meter. Calculate the magnetization of the material.
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Solution
Given: μr = 500, I = 1 A, n = 500
To find: Magnetization (M)
Formula: M = (μr - 1)nI
Calculation:
From formula,
M = (500 - 1) × 500 × 1
= 2.495 × 105 Am-1
The magnetization of the material is 2.495 × 105 Am-1.
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