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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class12  >>  Current Electricity
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A metallic resistor is connected across a battery. If the number of collisions of free electrons with the lattice is somehow decreased in the resistor, the current will

$\begin {array} {1 1} (A)\;Increase & \quad (B)\;Decrease \\ (C)\;Remain \: constant & \quad (D)\;Become\: zero \end {array}$


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If numbers of collisions are decreased, the resistance is decreased.
Ans : (A)
answered Feb 13, 2014 by thanvigandhi_1
edited Mar 14, 2014 by thanvigandhi_1

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