Computer Programming MCQs

5739 MCQs  (Page 490 of 574)

Weber is the unit of_____________?
A. Magnetic field intensity
B. Magnetic induction
C. Magnetic flux
D. Self-inductance
emf induced in a circuit according to Faradays law depends on the_____________?
A. Maximum magnetic flux
B. Rate of change of magnetic flux
C. Change in magnetic flux
D. Initial magnetic flux
A dynamo converts______________?
A. Mechanical energy into electrical energy
B. Electrical energy into mechanical energy
C. Magnetic energy into mechanical energy
D. Magnetic energy into electrical energy
A.C cannot be used for_______________?
A. Producing heat
B. Producing light
C. Magnetizing and electroplating
D. All the above
cmf generated by A.C dynamo depends upon_____________?
A. Number of turns in the coil
B. Magnetic field strength
C. Frequency of rotation
D. All of above