A constant potential difference is applied between the ends of the wire. If the length of the wire is elongated 4 time, then the drift velocity of electrons will
A steady current flows in a metallic conductor of non-uniform cross section. Which of the following quantities is constant along the conductor?
Which of the following is responsible for the flow of current density?
Which of the following relations is called as current density?
How many electrons constitute a current of 1A?
If a copper wire carries a current of 80.0 mA, how many electrons flow past a given cross-section of the wire in 10.0 min?
