Familiarization with the Electrical Equipments.
Laboratory wattmeter are -
The energy to supply power to the relay is provided by -
The primary winding of a current transformer is connected in_____ with the line carrying the main current and the secondary winding is directly connected across______. -
In case Potential transformer, if the load on secondary winding increases then: -
The ration error in current transformer is attributed to: -
An industrial analyser is NOT suitable for measuring which of the following -
Electric motor is the device which converts electrical energy into ________energy. -
An electric motor uses the phenomena of -
In electric motor, force acts on only those arms whose length is _____ to magnetic field of magnet -
Electric motor used in -