Given a current carrying wire of non uniform cross section. Which of the following is constant throughout the length of the wire?

Question

Given a current carrying wire of non uniform cross section. Which of the following is constant throughout the length of the wire? (A) current, electric field and drift speed (B) drift speed only (C) current and drift speed (D) current only

Tardigrade Admin · Accepted Answer

In steady state condition the current at each cross-section will be the same. Drift velocity and electric field depend on the current density, barM which varies from one crosssection to another.

Q. Given a current carrying wire of non uniform cross section. Which of the following is constant throughout the length of the wire?

current, electric field and drift speed

drift speed only

current and drift speed

current only

In steady state condition the current at each cross-section will be the same. Drift velocity and electric field depend on the current density, $\overset{ˉ}{M}$ which varies from one crosssection to another.

Q. Given a current carrying wire of non uniform cross section. Which of the following is constant throughout the length of the wire?

current, electric field and drift speed

drift speed only

current and drift speed

current only

In steady state condition the current at each cross-section will be the same. Drift velocity and electric field depend on the current density, Mˉ which varies from one crosssection to another.

In steady state condition the current at each cross-section will be the same. Drift velocity and electric field depend on the current density, $\overset{ˉ}{M}$ which varies from one crosssection to another.