Which of the following devices is NOT based on the concept of force on a current-carrying conductor in a magnetic field?
Loudspeaker, Voltmeter, Ammeter, Electric fuse
1
Loudspeaker
2
Ammeter
3
Voltmeter
4
Electric fuse
Which of the following devices is NOT based on the concept of force on a current-carrying conductor in a magnetic field?
Loudspeaker, Voltmeter, Ammeter, Electric fuse