Q1147
The best material for the core of a transformer is
A.
Stainless steel
B.
Mild steel
C.
Hard steel
D.
Soft iron
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.