Materials and Components
Electrical contact materials used in switches, brushes, relay must possess

High thermal conductivity and low melting point
High thermal conductivity and high melting point
Low thermal conductivity and low melting pointL
Low thermal conductivity and high melting point

ANSWER DOWNLOAD EXAMIANS APP

Materials and Components
An atom of a rare gas is placed is an electric field E. Then

The nucleus will be shifted in the direction of E by an amount which is independent of E.
The nucleus will not be shifted.
The nucleus will be shifted in the direction of E by an amount which is proportional to E.
The nucleus will be shifted in a direction opposite to that of E.

ANSWER DOWNLOAD EXAMIANS APP