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- Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material isOption: 1 To produce large d
- #Joint Entrance Examination Main
- #Class 12
- #Physics
- #Electromagnetic Induction and Alternating currents
- #Engineering
Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is
To produce large deflecting torque on the coil
To bring the coil to rest quickly
To oscillate the coil in magnetic field for longer period of time
To make the magnetic field radial
Answers (1)
Certain galvanometers have a fixed core made of nonmagnetic metallic material. When the coil oscillates, the eddy currents generated in the core oppose the motion and bring the coil to rest quickly.
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