Advertisements
Advertisements
प्रश्न
The work done in moving unit positive charge across two points in an electric circuit is a measure of
पर्याय
Potential difference
Resistance
Power
Current
Advertisements
उत्तर
Potential difference
APPEARS IN
संबंधित प्रश्न
If 20 C of charge pass a point in a circuit in 1 s, what current is flowing?
In the circuit diagram given below, three resistors R1, R2, and R3 of 5 Ω, 10 Ω and 30 Ω, respectively are connected as shown
Calculate:
- current through each resistor.
- total current in the circuit.
- total resistance in the circuit.
State two differences between the e.m.f. and terminal voltage of a cell.
An auto lamp is joined to a battery of e.m.f. 4 V and internal resistance 2.5Ω. A steady current of 0.5 A flows through the circuit. Calculate the
(a) Total energy provided by battery in 10 minutes,
(b) Heat dissipated in the bulb in 10 minutes.
What is meant by internal resistance of a cell?
Problems for practice:
If 3A current flows through a circuit, then convert the current in terms of a milliampere.
The number of electrons constituting a 1-coulomb charge is ______.
The SI unit of electric current is:
