CBSE Class 12 Physics Magnetism and Matter Online Test Set B

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Question 1

Question

Assertion : The earth¢s magnetic field is due to iron present in its core.
Reason : At a high temperature magnet losses its magnetism

	Answer
	Assertion is incorrect, reason is correct
	Assertion is correct, reason is correct; reason is not a correct explanation for assertion
	Assertion is correct, reason is incorrect
	Assertion is correct, reason is correct; reason is a correct explanation for assertion.