Assertion Substances which at room temperature retain their ferromagnetic property for a long period of time are called permanent magnets. Reason Permanent magnet can be made by placing a ferromagnetic rod a solenoid and passing current through it.

Question

Assertion Substances which at room temperature retain their ferromagnetic property for a long period of time are called permanent magnets. Reason Permanent magnet can be made by placing a ferromagnetic rod a solenoid and passing current through it. (A) Both Assertion and Reason are correct and Reason is the correct explanation of Assertion. (B) Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion. (C) Assertion is correct but Reason is incorrect. (D) Assertion is incorrect but Reason is correct.

Tardigrade Admin · Accepted Answer

Correct answer is (b) Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

Q. Assertion Substances which at room temperature retain their ferromagnetic property for a long period of time are called permanent magnets. Reason Permanent magnet can be made by placing a ferromagnetic rod a solenoid and passing current through it.

Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

Assertion is correct but Reason is incorrect.

Assertion is incorrect but Reason is correct.

Correct answer is (b) Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

Q. Assertion Substances which at room temperature retain their ferromagnetic property for a long period of time are called permanent magnets.
Reason Permanent magnet can be made by placing a ferromagnetic rod a solenoid and passing current through it.