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viktelen [127]
2 years ago
9

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the

Physics
1 answer:
andrew-mc [135]2 years ago
8 0

Answer:

50 W

Explanation:

Case 1

Power = V * I

100 = 220 * I

I = \frac{100}{220} A

Case 2

P = V * I

P = 110 * \frac{100}{220}

P = 50 W

I think the answer is 50 W

Hope it helps

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