Subject Repository
Electrical Engineering Mcqs
Showing 661 – 680 of 3,699 verified multiple choice questions with answers and explanations.
Q661NTS / FPSC / PPSC
In a dynamometer 3-phase power factor meter, the planes of the two moving coils are at_____________?
Q662NTS / FPSC / PPSC
In a Weston frequency meter, the magnetic axes of the two fixed coils are__________________?
Q663NTS / FPSC / PPSC
In a single phase power factor meter the phase difference between the currents in the two pressure coils is___________________?
Q665NTS / FPSC / PPSC
To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?
Q666NTS / FPSC / PPSC
For measurement of mutual inductance we can use________________?
Q667NTS / FPSC / PPSC
In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be_____________?
Q668NTS / FPSC / PPSC
Wagner earthing device is used to eliminate errors due to________________?
Q669NTS / FPSC / PPSC
For measurement of inductance having high value, we should use______________?
Q671NTS / FPSC / PPSC
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_______________?
Q672NTS / FPSC / PPSC
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?
Q673NTS / FPSC / PPSC
A phase shifting transformer is used in conjunction with_______________?
Q674NTS / FPSC / PPSC
The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a _________________?
Q675NTS / FPSC / PPSC
Basically a potentiometer is a device for________________?
Q676NTS / FPSC / PPSC
A voltage of about 200 V can be measured__________________?
Q677NTS / FPSC / PPSC
In a meggar controlling torque is provided by______________?
Q678NTS / FPSC / PPSC
In a low power factor wattmeter the pressure coil is connected_______________?
Q679NTS / FPSC / PPSC