TestHub
TestHub

Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical instrumentMedium2 minPYQ_2022
PhysicsMediumsingle choice

Ifnrepresents the actual number of deflections in a converted galvanometer of resistanceGand shunt resistanceS. Then the total currentIwhen its figure of merit isKwill be

Question diagram: If n represents the actual number of deflections in a conver

Options:

Answer:
D
Solution:

Let current through galvanometer be IG and current through shunt resistance be I-IG.

Given figure of merit K=IGn

Then, total current, I=IGG+SS

I=nKG+SS

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Electrical instrument
2mℹ️ Source: PYQ_2022

Doubts & Discussion

Loading discussions...