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A filament lamp is at full brightness with a potential difference of 12v across it. If a current of 1.8A flows through the lamp. what is its resistance ?

A filament lamp is at full brightness with a potential difference of 12v across it. If a current of 1.8A flows through the lamp. what is its resistance ?
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a filament lamp is at full brightness with a potential difference of 12v across it. If a current of 1.8A flows through the lamp. what is its resistance ?

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User Tom Slutsky
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1 Answer

3 votes
To find resistance you have to divide Volts by Amps.
So 12/1.8 would give you 6.67 ohms.
I hoped this helped.
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User Amquack
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