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Akshay saw the specification of a bulb a...

Akshay saw the specification of a bulb as 60 W and 120 V, on the surface of the bulb. She got many doubts in her mind. What would be those double ?

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1. What is meant by W ?
2. What is meant by V ?
3. Does the bulb work at above the 240 V ?
4. How much current it will draw ?
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