Physics - Current Electricity Question with Solution | TestHub
PhysicsCurrent ElectricityElectrical instrumentMedium2 minQB
PhysicsMediumsingle choice
The wire of a meter bridge is generally made of an alloy such as constantan or manganin because such an alloy has
Options:
Answer:
B
Solution:
Alloys like constantan and manganin combine high resistivity with a very small temperature coefficient of resistance, which is exactly what the bridge wire needs.
Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
⏱ 2mℹ️ Source: QB
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