JEE · NEET Previous Year Question
40 electric bulbs are connected in series across a 220 V supply. After one bulb is fused the remaining 39 are connected again in series across the same supply The illumination will be
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- Amore with 40 bulbs than with 39
- Bmore with 39 bulbs than with 40
- Cequal in both the cases
- Din the ratio
Correct answer: B
Solution
(b) Since, the voltage is same for the two combinations, the resistance is less for 39 bulbs.Hence the combination of 39 bulbs will glow more as current is more.
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