Physics
If W joule of work is done in bringing a test charge Q coulomb from infinity to the point P, then electric potential V at point P is :
- V = WQ
- V = Q/W
- V = W/Q
- none of the above
Related Questions
The current in a circuit is measured by …………… by connecting it in ……………
- voltmeter, series
- voltmeter, parallel
- ammeter, series
- ammeter, parallel
Potential at a point is said to be 1 volt, when …………… of work is done in bringing 1 coulomb charge from infinity to that point.
- 1 joule
- 5 joule
- 10 joule
- 1 erg
The potential difference between two points in an electric circuit is measured by a …………… which is connected in …………… with the circuit.
- voltmeter, series
- voltmeter, parallel
- ammeter, series
- ammeter, parallel