Question

Assertion Manganin and constantan are widely used in standard resistors.
Reason Manganin and constantan resistances values would change very little with temperatures.

• 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.

Answer 1

Answer: (A)

Manganin and constantan have very low temperature coefficient resistance.