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  • In a moving coil galvanometer , the deflection of the coil O is related to the electric current i by relation Option: 1 <img alt="i \propto

In a moving coil galvanometer , the deflection of the coil O is related to the electric current i by relation 

Option: 1

i \propto \tan \theta


Option: 2

i \propto \theta


Option: 3

i \propto \theta ^2


Option: 4

i \propto \sqrt {\theta }


Answers (1)

best_answer

As we have learned

Restoring torque -

T_{res}=C\alpha

- wherein

C-torsional constant 

 

 NAIB \propto \theta

NABI = C \theta \rightarrow Restoring \; torque \; i\propto \theta

 

Posted by

vinayak

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