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A metallic resistor is connected across a battery. If the number of collisions of the free electrons with the lattice somehow decreases in the resistor, then the current

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Increases

Decreases

Remains constant

Becomes zero

answer is A.

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Detailed Solution

Free flow of electrons depends on obstruction to their flow. If less is the obstruction (collisions with the lattice) more will be the current. Number of collisions decreases means there is less resistance which in turn means more current flow.

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