A wire whose cross-sectional area is incereasing linearly from its one end to the other, is connected across a battery of V volts. Which of the following quantities remain constant in the wire ?

A wire whose cross-sectional area is increasing linearly from its one end to the other, is connected across a battery of V volts. Which of the following quantities remains constant in the wire ? (a) drift speed , (b) current density (c ) electric current , (d) electric field. Justify your answer.

A wire whose cross sectional area is increasing linearly from its one end to the other, is connected across of battery of V volts.Which of the following quantities remain constant in the wire? a) drift speed b) current density c) electric current d) electric field

Wires A and B are identical except that each is made from a different material. The one end of wire A is connected to one end of wire B. The two remaining ends are connected across a battery and current flows through the two wires. Which one of the following statements concerning this situation is true?

Given a current carrying wire of nonuniform cross section. Which of the following quantity or quantities are constant throughout the length of the wire?