Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Science Physics Current Electricity
_______ is a simple device that is used to either break the electric circuit, or to complete it.
1
Transistor
2
Switch
3
Capacitor
4
More than one of the above
5
None of the above