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How many 65-W lightbulbs can be connected in parallel across a potential difference of 80 V...

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Physics

How many 65-W lightbulbs can be connected in parallel across apotential difference of 80 V before the total current in thecircuit exceeds 2.0 A ?

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4.2 Ratings (578 Votes)
Total current in the circuit is IResistances in each bulb is RPower each bulb is P 65 WEmf of the battery E 80 voltAs the bulbs are    See Answer
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