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The best material for the core of a transformer is

A. Stainless steel

B. Mild steel

C. Hard steel

D. Soft iron

Answer: Option D

Solution(By Examveda Team)

Soft iron provides the best material for the core of a transformer as its permeability (μ) is very high. Its hysteresis curve is of small area and its coercivity is very low.

This Question Belongs to General Knowledge >> Physics

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