Question

Assertion : The strength of magnetic
field of a permanent magnet decreases
with the increase in temperature.
Reason: A permanent magnet can be
demagnetised by heating it.
Both A and Rare individually
true and R is the correct
explanation of A.
Both A and Rare individually
true but Ris not the correct
explanation of A.
O A is true but Ris false
O
A is false but Ris true.​

Answer 1

Answer:

I think option b is correct

Explanation:

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