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To improve the current capacity of the neutral wire
To improve efficiency
To avoid the harmonics in the transformer
To provide artificial neutral earthing where the neutral points of the three phase system are not accessible
The efficiency of a transformer is usually of the order of
The ejection of electrons when a metal surface is irradiated is called
The electric current in a metal wire is due to the flow of -
The electric motor converts
The electrical domestic tube light gives white fluorescent light because of
The electron was first identified by
The element used for making solar cells is
The element which is commonly used in nuclear for producing electricity by nuclear fission is
The energy associated with motion is called
The energy derived from the heat of Earth is called