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A battery lights up all the four lamps a...

A battery lights up all the four lamps as shown in the figure. When one of the lamps fuses, the other three lamps stay on. Identify the fused lamp.

A

W

B

X

C

Y

D

Z

Text Solution

Verified by Experts

The correct Answer is:
B
For the lamps to glow, circuit should be complete and the bulbs should be connected to the battery. So for the required circuit. Correct option is (B).
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