1,000+ TNPSC Group 1, 2, 4, VAO General Awareness Questions & Answers - 2

Question: 6

A hollow metal ball carrying an electric charge produces no electric field at points

(A) At a distance more than twice

(B) Outside the sphere

(C) Inside the sphere

(D) On its surface

Question: 7

Fuse wire has

(A) Low resistance

(B) High resistance

(C) Low melting point

(D) Both (b) and (c)

Question: 8

The net flow of charge at any point in the conductor is

(A) Infinity

(B) Zero

(C) Large

(D) Very small

Question: 9

Thick strips of negligible resistance used in meter bridge are made up of

(A) Copper

(B) Manganin

(C) Aluminium

(D) Iron

Question: 10

For small difference in temperature between the junctions, the graph of thermo-emf verses temperature is a

(A) Straight line

(B) Curve

(C) Parabola

(D) Hyperbola