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Statement I: If an electric field is applied to a metallic conductor, the free electrons experience a force but do not accelerate, they only drift at a constant speed. Statement II: The force exerted by the electric field is completely balanced by the Coulomb force between electrons and protons . |
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Answer» Statement I is true, Statement II is True, Statement II is a correct explanation for Statement I. positive ions of the conductor. Although the electric field accelerates an electron between two collisions, it is decelerated by COLLISION. The NET accleration averages out to zero and the electron acquires a constant average speed. The gain in speed between collisions is LOST in the next collision. |
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