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Magnetic Effect of Current — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
Question

In order to increase the sensitivity of a moving coil galvanometer, one should decrease

(a) The strength of its magnet

(b) The torsional constant of its suspension

(c) The number of turns in its coil   

(d) The area of its coil
✓

Answer

(b) The torsional constant of its suspension

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