Question

An electric wire is connected from a plug point to a lamp. The lamp is on. Amar carefully puts bogic, one at a time, on top of the wire, without disturbing the plug as shown in the figure. He stops when there are around 20 kg of books on the wire. Note: Do not try this alone! Try only under the supervision of an adult. How will the brightness of the lamp's light be affected? A. The light will keep decreasing as more books are added. B. The light will go out due to the weight of the books on the wire. C. The light will not change in brightness even when all the books are added. D. The light will flicker slightly when each book is kept, but will return to normal.​

Answer 1

Answer:

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Explanation:

D