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Physics
The best material for the core of a transformer, is
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Q. The best material for the core of a transformer, is
AIIMS
AIIMS 1998
Magnetism and Matter
A
hard steel
6%
B
mild steel
6%
C
stainless steel
16%
D
soft iron
72%
Solution:
Soft iorn provides the best material for the core of a transformer as its permeability ($\mu$) is very high. Its hysteresis curve is of small area and its coercivity is very low.