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A metallic resistor is connected across ...

A metallic resistor is connected across a battery.If the number of collisions if the free electrons with the lattice is somehow decreased in the resistor (for example,by cooling it ),the current will

A

(a)increase

B

(b)decrease

C

(c ) remain constant

D

(d) become zero

Text Solution

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The correct Answer is:
A
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  • When an a.c source is connected across a resistor

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    C
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