Three identical electric bulbs are connected parallel to each other. On connecting their combination across a source of emf having stabilized voltage and negligible resistance, all bulbs glow with full brightness. Suddenly a bulb fuses. The other bulbs will glow.

Brighter

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Dimmer

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With same initial intensity

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Zero, as those will also fuse.

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Solution

The correct option is C With same initial intensity
In a parallel connection, every object has the same potential difference so if one bulb gets fused then it does not affect the other bulbs. So the remaining bulb will glow with the same intensity(brightness).

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Similar questions

When three bulbs are connected in parallel, then what will happen to the glow of other two bulbs if the one bulb get fused ?

B_{1}, B_{2}

and

B_{3}

are three identical bulbs connected as shown in Figure 12.8. When all the three bulbs glow, a current of 3A is recorded by the ammeter A.
What happens to the glow of the other two bulbs when the bulbs

B_{1}

gets fused?

Question 28 (i)
$B_{1}, B_{2}$ and $B_{3}$ are three identical bulbs connected as shown in figure. When all the three bulbs glow, a current of 3A is recorded by the ammeter A.
(i) What happens to the glow of the other two bulbs when the bulb $B_{1}$ gets fused?

Q. Three in incandescent bulbs of 100 watt each are connected in series in electric circuit. In another circuit, another set of three bulbs of the same wattage are connected in parallel to the same source. Will the bulb in the two circuit glow with the same brightness? justify answer.

Q. Two sets

A

and

B

, of the three bulbs, each, are glowing in two separate rooms. When one of the bulbs in set

A

is fused, the other two bulbs also cease to glow. But in set

B

, when one bulb fuses, the other two bulbs continue to glow. Explain why this phenomenon occurs

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Three identical electric bulbs are connected parallel to each other. On connecting their combination across a source of emf having stabilized voltage and negligible resistance, all bulbs glow with full brightness. Suddenly a bulb fuses. The other bulbs will glow.

The correct option is C With same initial intensityIn a parallel connection, every object has the same potential difference so if one bulb gets fused then it does not affect the other bulbs. So the remaining bulb will glow with the same intensity(brightness).

The correct option is C With same initial intensity
In a parallel connection, every object has the same potential difference so if one bulb gets fused then it does not affect the other bulbs. So the remaining bulb will glow with the same intensity(brightness).