Home
Class 12
PHYSICS
When a semiconductor is heated, its resi...

When a semiconductor is heated, its resistance

A

Decreases

B

Increases

C

Remains unchanged

D

Nothing is definite

Text Solution

Verified by Experts

The correct Answer is:
A

As `Tuarr, rho darr` hence `Rdarr` for semiconductor .
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion (A): As the temperature of a semiconductor increases, its resistance decreases. Reason (R ): The energy gap between conduction band and valence band is small.

Statement-1 : When the temperature of a semiconductor is increased, then its resistance decreases. Statement-2 : The energy gap between conduction band and valence band is very small for semiconductor.

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

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

12.When a manganin container is heated its resistance decreases rapidly.

12.When a manganin container is heated its resistance decreases rapidly. O True False

When the area of cross-section of a conductor is doubled, its resistance becomes:

When N -type of semiconductor is heated

If n-type semiconductor is heated then