`B_(1), B_2 and B_3` are the three identical bulbs connected to a battery of steady emf with key `K` closed. What happens to the brightness of the bulbs `B_(1)` and `B_(2)` when the key is opened?

B_(1)B_(2) and B_(3) are three identical bulbs connected to a battery of steady e.m.f. with key K closed What happens to the brightness of the bulbs B_(1) and B_(2) when the key is opened ?

Three identical bulbs P, Q and R are connected to a battery as shown in the figure. When the circuit is closed.

In the circuit shown in the figure, if both the bulbs B_(1) and B_(2) are identical

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. What happens to the glow of the other two bulbs when the bulb B_1 gets fused?

What will happen to the other two bulbs if the bulb B_3 gets fused?

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. What happens to the reading of A_1,A_2,A_3 and A when the bulb B_2 gets fused?

In the circuit shown in figure, if both the bulbs B_(1) and B_(2) are identical: