6.Assertion: soft iron is used as core material in making solenoid.Reason: The use of soft iron as a core in a solenoid produces the weakest magnetism.
1 point
Both assertion and reason are true and the reason is the correct explanation of the assertion
Both assertion and reason are true but the reason is not the correct explanation of the assertion
Assertion is true but reason is false
Assertion and reason both are false
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I think that your answer is 1st
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