A. producing heat
B. producing light
C. Magnetizing iron
D. Producing magnetic field
A.C can not be used for_______________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. A torque about horizontal axis
B. A torque about vertical axis
C. An upward force along the axis
D. No resultant force
A. Magnetic flux density
B. Torque
C. Mutual induction
D. Motional emf
A. ms-1A
B. ms-2A-1
C. kgms2A-1
D. kgm2s-1A-1
The emf induced in a coil by a changing magnetic flux may have unit as______________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. Small output
B. Eddy currents and magnetic hysterias
C. Soft iron core
D. Back emf
Power loss in actual transformer is due to_________________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. effect in charging a capacitor
B. effect in charging a battery
C. effect while passing through an inductance
D. heating effect through a resistance
A.C and D.C have the same______________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. transformer
B. motor
C. D.C generator
D. A.C generator
A. AC
B. DC
C. Both A and B
D. none of these
Inductors acts as a short circuit for_______________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. decrease
B. become zero
C. remain the same
D. increase
If the coil is wound on an iron core the flux through it will_______________? Read More »
Electrical Engineering Mcqs, Electromagnetic Induction A. galvanometer
B. ammeter
C. voltmeter
D. all of the above
