Electrical Engineering Mcqs — Test 97
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Question 1
The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a _________________?
Question 2
A phase shifting transformer is used in conjunction with_______________?
Question 3
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?
Question 4
In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be_______________?
Question 5
A universal RLC bridge uses_________________?
Question 6
For measurement of inductance having high value, we should use______________?
Question 7
Wagner earthing device is used to eliminate errors due to________________?
Question 8
In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be_____________?
Question 9
For measurement of mutual inductance we can use________________?
Question 10
To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?