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SSC JE 2019-20 Technical Quiz 41
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Question 1
An a.c. tachometer is just a ________with one phase excited from the carrier frequency.
A. two-phase
Question 2
The source resistance of an ideal voltage source should be
Question 3
The SI unit of magnetic flux density is _______
Question 4
Which one of the following is the formula of Intensity of magnetization?
Question 5
What will be the coefficient of self-induction (in H) of the coil, if the current changes from +4 A to -4 A in 0.10-seconds and tile induced EMF is 16 V?
Question 6
In a split phase motor, the running winding should have __________.
Question 7
One of the speed control methods of a 3 phase induction motors ¡s _________.
Question 8
The power factor of a single-phase Induction motor is usually________
Question 9
The speed control of a universal motor used for sewing machines s done by __________.
Question 10
The resultant amature voltage of a synchronous motor is equal to the ___________
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ESE & GATE EEGeneralApr 13ESE & GATE EE