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?

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Solution

(i) The glow of the bulbs $B_{2} a n d B_{3}$ will remain the same because power consumed will be the same as they are connected in parallel.

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Question 28 (ii)
$B_{1}, B_{2}, a n d B_{3}$ 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.
(ii) What happens to the reading of $A_{1}, A_{2} A_{3}$ and A when the bulb $B_{2}$ gets fused?

Q. Question 28 (iii)

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.
(iii) How much power is dissipated in the circuit when all the three bulbs glow together?

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Resistors in parallel

Standard X Physics

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Question 28 (i) B1, B2 and B3 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 B1 gets fused?

(i) The glow of the bulbs B2 and B3 will remain the same because power consumed will be the same as they are connected in parallel.

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?

(i) The glow of the bulbs $B_{2} a n d B_{3}$ will remain the same because power consumed will be the same as they are connected in parallel.