Two identical bulbs are connected in parallel to a battery. If one bulb burns out, what happens to the brightness of the other bulb?

Question

Two identical bulbs are connected in parallel to a battery. If one bulb burns out, what happens to the brightness of the other bulb? — Exam MCQ

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A. The brightness of the other bulb remains unchanged. — The correct choice is The brightness of the other bulb remains unchanged.. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.

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B. The brightness of the other bulb increases.

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C. Both bulbs turn off.

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D. The brightness of the other bulb decreases.

Two identical bulbs are connected in parallel to a battery. If one bulb burns out, what happens to the brightness of the other bulb?

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