Answer Posted / govindaraj.c

Earth
- it is used for safety purpose. i.e whenever leakage
current pass through electric machine body,earth will
conduct directly to earth.So it is prevent electric shock
to human body.
- In 3 phase star connection its act as a neutral & same
point connected to ground.

Neutral
- It is one of the wire in AC circuit.
- It is used for return path of the circuit in single
phase & three phase.

- - earth can use as neutral but neutral can't use as earth.
-

A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

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Define filter?

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bitumar

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