Question:

When electric field is applied to the electrons in a conductor it starts

Updated On: Sep 24, 2024
  • When electric field is applied to the electrons in a conductor it starts
  • Drifting from higher potential to lower potential
  • Drifting from lower potential to higher potential
  • Moving with constant velocity
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The Correct Option is C

Solution and Explanation

The correct option is (C): Drifting from lower potential to higher potential

the electron starts drifting from the lower potential to higher potential.

drift velocity = \(v_d=-\frac{eE}{m}\tau\)

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Concepts Used:

Electric Field

Electric Field is the electric force experienced by a unit charge. 

The electric force is calculated using the coulomb's law, whose formula is:

\(F=k\dfrac{|q_{1}q_{2}|}{r^{2}}\)

While substituting q2 as 1, electric field becomes:

 \(E=k\dfrac{|q_{1}|}{r^{2}}\)

SI unit of Electric Field is V/m (Volt per meter).