Home
Class 12
PHYSICS
The temperature coefficient of resistanc...

The temperature coefficient of resistance of a semi conductor is

A

increases with increase of temperature

B

decreases with increase of temperature

C

does not charge with charge of temperature

D

first decreases and then increases with increase of temperature

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE - 1 SECTION C,D - Circuit theory, KCL & KVL, Battery , Grouping of cells|15 Videos
  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE - 1 (SECTION E- Electrical Power & Energy)|10 Videos
  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -1 (SECTION -A Definition of Current , Current Density , Drift Velocity )|8 Videos
  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos
  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

The temperature coefficient of resistance of a semiconductor

The ratio of the resistances of a conductor at a temperature of 15^(@)C to its resistance at a temperature of 37.5^(@)C is 4:5 . The temperature coefficient of resistance of the conductor is

The temperature coefficient of resistance of a conductor is

The temperature cofficient of resistance of a conductor is 0.002//""^@C . " At " 250^@C , resistance of conductor is 4Omega , its resistance will be 6Omega at temperature about

The resistance of a conductor at 15^(@)C is 16 Omega and at 100^(@)C is 20 Omega . What will be the temperature coefficient of resistance of the conductor ?

The temperature coefficient of resistance of conductor varies as alpha(T) = 3T^2 +2T. If R_0 is resistance at T = 0and R is resistance at T, then

The resistance of a conductor at 30^@C is 3.25 Omega and at 100^@C is 3.95Omega . Calculate the temperature coefficient of resistance of the conductor and the resistance of the conductor at 0^@C .

The rsistance of a conductor at 20^(@)C is 3.15 Omega and at 100^(@)C is 3.75 Omega . Determine the temperature coefficient of resistance of the conductor. What will be the resistance of the conductor at 0^(@)C ?

Two different conductors have same resistance at 0^@ C It is found that the resistance of the first conductor at t_1^@ C is equal to the resistance of the second conductor at t_2^@ C. The ratio of temperature coefficients of resistance of the conductors, a_1/a_2 is