A. 150msec-1
B. 384msec-1
C. 38.4msec-1
D. 200msec-1
0
Non inductive resistances are used in decreasing______________?
0
Which one of the following devices does not function like an electric motor ?
A. Mutual inductance
B. Self inductance
C. Magnetic fields
D. Heating effect
0
For long distance transmission the transformer used is_____________?
A. Galvanometer
B. Ammeter
C. Voltmeter
D. Transformer
0
Lagging of changes in the magnetization of a substance behind changes in the magnetic field as the magnetic field is varied is known as magnetic_____________?
A. Step down
B. Input voltage and output voltage remain same
C. Step up
D. Amplifier is used
0
When the motor is at its maximum speed then back emf will be______________?
A. Retaintivity
B. Permeability
C. Flux
D. Hysteresis
0
Transformer works on the principle of________________?
A. Maximum
B. Zero
C. Intermediate values
D. No back emf
0
An electric current induced within the body of a conductor when that conductor either moves through a non uniform magnetic field or in a region where there is a change in magnetic flux is called_____________?
A. Lenzs law
B. Faradays law
C. Mutual induction
D. Law of conservation of power
0
The out put voltage of a transformer is 3 times the input voltage then turns ratio will be________________?
A. Induced current
B. Eddy current
C. Back emf
D. None of the above
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