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The power of an electric bulb of resistance 18 ohm if no voltage is applied across it is _______?

A18 W

B9 W

Cinfinity 40 W

D0 W

Answer:

D. 0 W

Read Explanation:

  • The power of the electric bulb is 0 W.


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Which of the following materials is preferably used for electrical transmission lines?
The ratio of the field due to a current-carrying circular coil of n turns to the field due to a single circular loop of the same radius carrying the same current is _________?

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