Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Measuring Instruments
Which of the following instruments is used to detect the presence of electricity in a circuit?
1
Galvanometer
2
Voltmeter
3
Rheostat
4
More than one of the above
5
None of the above