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As the temperature of a metallic resisto...

As the temperature of a metallic resistor is increased,the product of its resistivity and conductivity

A

increase

B

decrease

C

remain constant

D

may increase or decrease

Text Solution

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The correct Answer is:
C
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CP SINGH-CURRENT ELECTRICITY-Exercise
  1. The resistance of a metallic conductor increases with temperature due ...

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  2. A metallic resistor is connected across a battery.If the number of col...

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  3. As the temperature of a metallic resistor is increased,the product of ...

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  4. The temperature coefficient of resistance of a wire is 0.00125 per .^...

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  5. The resistance of a wire of iron is 10 ohm and temperature coefficient...

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  6. The V-i graph for a conductor at temeratures T1 and T2 are as shown in...

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  7. Two resistances R1 and R2 are made of different materials. The tempera...

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  8. Two wires of resistance R(1) and R(2) have temperature coefficient of ...

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  9. A piece of copper and another of germanium are cooled from room temper...

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  10. The equivalent resistance of n identical resistors connected in parall...

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  11. A wire has resistance 12 Omega. It is bent in the form of a circle. Th...

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  12. There are three coils of equal resistance. The maximum number of resis...

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  13. The resistance between ends will be (if (rho L)/(pi R^2) = R0) .

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  14. For what valve of R the net resistance of the circuit will be 18 ohms....

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  15. What is the equivalent resistance between the point A and B of the net...

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  16. What is the equivalent resistance between the points A and B of the ne...

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  17. The equivalent resistance between the point P and Q in the network giv...

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  18. Equivalent resistance between the points A and B (in Omega) .

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  19. Six equal resistances are connected between points P, Q and R as shown...

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  20. A and B are two points on a uniform ring of resistance R. The / ACB = ...

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