Home
Class 10
PHYSICS
Electrical resistivities of some substan...



Electrical resistivities of some substances, in ohm meter, at `20^@C` are given:
Among the following which one you would advise to use in the heater elements of electric heating device?

A

Silver

B

Nichrome

C

Iron

D

Mercury

Text Solution

Verified by Experts

The correct Answer is:
B
It has very high resistivity, it is an alloy, it does not oxidize readily at high temperature.
Promotional Banner

Similar Questions

Explore conceptually related problems

Study the following table and answer any four questions given below. Electrical resistivities of some substances, in ohm meter, at 20^@C are given as follows: Among the following which is the better conductor of electricity?

Study the following table and answer any four questions given below. Electrical resistivities of some substances, in ohm meter, at 20^@C are given as follows: Among the following which is used in filament of incandescent bulbs?

Study the following table and answer any four questions given below. Electrical resistivities of some substances, in ohm meter, at 20^@C are given as follows: Among the following, which is preferred to be used for electrical transmission lines?

Name the material which is used for making the heating element of an electric iron.

Name the alloy which is used to make the heating elements of electrical heating appliances like an electric iron.

Which among the following alloys is used in making instruments for electrical measurements ?

Which among the following alloys is used in making instruments for electrical measurements ?