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In the circuit shown what is that maximu...

In the circuit shown what is that maximum number of switch that must be closed to turn on all the light ?

A

3

B

6

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
C

(c ) Closing switch 1 will short circuit bulb `A`, closing switch 5 will short circuit `BCD` is these switches should not be closed.
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