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NEET UG PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
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Understanding
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A metallic resistor is connected across a battery. If the number of collisions of the free electrons with the lattice is some how decreased in the resistor (for example by cooling it), the current will
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Correct option: B
Increase
Option B (Increase) is correct because decreasing the number of collisions reduces resistance, leading to an increase in current according to Ohm's Law.
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(C) The drift velocity does not depend on the applied potential difference to the conductor.
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(E) The drift velocity increases with the increase in the temperature of conductor.
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