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 remain constant in the wire ?(a) drift speed(b) current density(c) electric current(d) electric fieldJustify your answer.

A wire whose cross-sectional area is increasing linearly from its one

1.	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 remain constant in the wire ?(a) drift speed(b) current density(c) electric current(d) electric fieldJustify your answer.
Answer» The only current through the conductor of non uniform area of cross-section is constant as the remaining quantities vary inversely with area of cross section of the conductor.

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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 remain constant in the wire ?(a) drift speed(b) current density(c) electric current(d) electric fieldJustify your answer.

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