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Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material i…

Q1

Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is:

[JEE Main 2023, 8 Apr (Shift 1)]

a

to oscillate the coil in magnetic field for longer period of time

b

to bring the coil to rest quickly

c

to produce large deflecting torque on the coil

d

to make the magnetic field radial

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