Physics - Current Electricity Question with Solution | TestHub
PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2020
PhysicsMediumsingle choice
The length of a potentiometer wire is 'L'. A cell of e.m.f. 'E' is balanced at a length from the positive end of the wire. If the length of the wire is increased by , at what distance will the same cell give a balance point? '
Options:
Answer:
D
Solution:
If the length of potentiometer wire is increased by , the balancing length will also increase in the same proportion. Hence from it will increase by and become
Stream:MHT_CETSubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
⏱ 2mℹ️ Source: PYQ_2020
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