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Domestic Electric Circuits

An electric b...

Question

An electric bulb is marked 220V-100W. The bulb is connected to a 220V supply. Calculate

a) the resistance of the filament.

b) current flowing through the filament.

484 Ω and 0.50 A

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968 Ω and 0.45 A

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484 Ω and 0.45 A

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100 Ω and 0.20 A

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200 Ω and 0.10 A

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Solution

The correct option is C
484 Ω and 0.45 A

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