Assertion: meterbridge wire is made up of manganin
Reason: The temperature coefficient of resistance is very small for manganin

Potentiometer wire is made of manganin because it has

Potentiometer wire is made of manganin because it has

Assertion: Material used in the construction of a standard resistance is constantan or manganin. Reason: Temperatures coefficient of constan is very small.

The temperature coefficient of manganin wire is ……………….. .

Statement I : Material used in the construction of a standard resistance is constantan or manganin. Statement II : Its temperature coefficient of resistance is very small.

potentiometer wire made of manganin because it has

Statement I : An alloy like manganin or German silver is used , instead of copper , as the materinal of the wire of a metre bridge . Statement II : The temperature coefficient of reistance is very low for alloys .

(A): Material used in the construction of a standard resistance is constantan or manganin. (R): Temperature coefficient of Resistance constantan is very small.

Assertion (A): Meter bridge wire is generally made of Constantan. Reason (R ): Constantan has a very low temperature coefficient of resistance.