When you turn off the light switch in a room, you have created a(n) _____.

Aseries circuit
Bparallel circuit
Chousehold circuit
Dopen circuit

Verified Answer :

The answer is D and open circuit.

You have created D, an open circuit. Think of it as if its an opposite. If the lights are off, its an open circuit. But, when the lights are on, its a closed circuit