1.

Assertion (A) : Electromagnets are made of soft iron. Reason (R): The strenght of anelectromagnet is increased by increasing the currentflowingthrough thesolenoid coil.

Answer»

Both (A) and (R) are true and (R) is correct EXPLANATION of the ASSERTION
Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(A) is true but (R) is FALSE.
(A) is false but (R) is true.

Answer :B


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