Magnetic materials used for making permanent magnets 
and magnets in a transformer 
have different properties of the following, which property best matches for the type of magnet required?
A
Large retentivity, small coercivity
B
Large retentivity, large coercivity
C
: Small retentivity, large coercivity
D
Large retentivity, large coercivity
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2020
Option 
is correct as permanent magnet should have high coercivity backslash & retentivity.
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