Question

The instructor of the barrack needs to switch on the lights to all the room in the barrack sharp at 5 AM and switch off the lights at 10 PM sharp. How should the wiring of the lights be done so that the instructor can switch on and off the lights at the same time from his room? Mention the type of circuit and explain. 

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Answer 1

Answer:

series circuit

when switch is on the circuit will flow in all the bulbs and when it if off, then no current will flow in the circuit.

if we use parallel circuit then there is bifurcation of the current and not all bulbs will be 0ff