A) More with 40 bulbs than with 39
B) More with 39 bulbs than with 40
C) Equal in both the cases
D) In the ratio of \[{{49}^{2}}:{{39}^{2}}\]
Correct Answer: B
Solution :
When 1 bulb fuses, the total resistance of the circuit decreases hence the current increases. Since\[P={{i}^{2}}R\], therefore illumination increases.You need to login to perform this action.
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