Physics, asked by kashmir8238, 10 months ago

Determine the percentage by which the illumination of a lamp will decrease if the current drops by 20%. *

Answers

Answered by nirlepdueby36

Answer:

If the current of a lamp decreases by 20%, the percentage decrease in the illumination of the lamp is 40%. Reason : Illumination of the lamp is directly proportional to square of the current through lamp.

Explanation:

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