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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
- #Physics
- #Class 12
- #Engineering
- #Electromagnetic Induction and Alternating currents
Certain galvanometers have a fixed core made of non magnetic metallic material. The function of this metallic material is
Option: 1
To produce large deflecting torque on the coil
Option: 2
To bring the coil to rest quickly
Option: 3
To oscillate the coil in magnetic field for longer period of time
Option: 4
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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