three incandescent bulbs of 100 volt each are connected in series in an electric circuit. In another circuit another set of 3 bulb of same wattage are connected in parallel to the same source.(a) will the bulb in the two circuits glow with the same brightness. justify your answer? (b)Now let one bulb the circuits get fused with the rest of the bulb continue to grow in each circuit? give reason .
Answers
In series Combination of Bulbs the Potential difference gets divided so the bulb will not glow with same brightness but in PARALLEL COMBINATION the potential difference remains same so the bulb will glow with same BRIGHTNESS
If one bulb get fused in series then rest of Bulbs will not glow because current will not flow through them
If one bulb get fused in Parallel then rest of Bulbs will glow because in parallel current gets divided so it will not effect another bulbs.
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Answer:
.
Ans. Voltage gets divided in series combination. So bulbs in series combination will glow with less brightness. Voltage does not get divided in parallel combination, so bulbs in parallel combination will glow with more brightness.
(b
Ans. In case of series combination, fault in even a single component will break the circuit.
So, when one of the bulbs gets fused: another bulb would continue to glow.
