Imagine that you flick a light switch, but it fails to turn on. What could cause this malfunction? Help please

i think this is the answer so

If you have a screwdriver, voltage tester, insulated pliers and a wire connector you can troubleshoot your light switch to determine the problem and, if necessary, ... If the light switch isn't working at all, there may be no power to the circuit. Make sure the breaker to the switch is on in your breaker box and determine whether ...

Explanation:

answer; the above statement is (true);