Home
Class 12
PHYSICS
As the temperature of a metallic resisto...

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

A

(a)increase

B

(b)decrease

C

(c ) remains constant

D

(d) may increase or decrease.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Objective 2|9 Videos
  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Exercises|84 Videos
  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise Short Answer|17 Videos
  • DISPERSION AND SPECTRA

    HC VERMA|Exercise Exercises|11 Videos
  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercises|23 Videos

Similar Questions

Explore conceptually related problems

When temperature of a metal increases ,

When the temperature of a metallic conductor is increased, its resistance

As the temperature of a conductor increases,its resistivity and conductivity change.the ratio of resistivity to conductivity

A: When temperature of a metallic wire is increased, its resistance increase . R : As the temperature is increaed , average relaxtion time increase.

Assertion: If the temperature of a semiconductor is increased then its resistance decreases. Reason: The energy gap between conduction band and valence band is very small

Assertion : The drift velocity of electrons in a metallic wire will decrease, if the temperature of the wire is increased. Reason : On increasing temperature, conductivity of metallic wire decreases.

Assertion : The drift velocity of electrons in a metallic wire will decrease, if the temperature of the wire is increased. Reason : On increasing temperature, conductivity of metallic wire decreases.