Q. Dynamometer type wattmeter has _________

View solution

Q. Wattmeter reading has errors induced by _________

View solution

Q. Current in a pressure coil of the Dynamometer type wattmeter ________

View solution

Q. Wattmeters are compensated for errors due to inductance by _________

View solution

Q. Eddy currents are induced in solid metal parts within the thickness of the conductor.

View solution

Q. What is the effect of frequency on the torque of a moving system?

View solution

Q. In an ordinary dynamometer, the deflecting torque is _________

View solution

Q. Errors are introduced by ________

View solution

Q. Power coil has a low value of ________

View solution

Q. Resistance of pressure coil in a low power factor dynamometer type wattmeter is ________

View solution

Q. Low power factor wattmeters are designed to ________

View solution

Q. Power loss in the current coil is ________

View solution

Q. Pressure coil has no error.

View solution

Q. Error in a pressure coil can be compensated.

View solution

Q. Induction type instruments are used for ____________

View solution

Q. Driving system in an induction type single phase energy meter consists of _________

View solution

Q. Series electromagnet consists of _________

View solution

Q. Shunt magnet consists of _________

View solution

Q. Shunt magnet has _________

View solution

Q. Moving system of the induction type single phase energy meter has _________

View solution