Physics Study Material for UPSC, IAS, Gate, SSC, TNPSC, TRB, TET Exams - 2

Question: 6

_____ resistor consists of a ceramic core on which a thin layer of crystalline carbon is deposited.

(A) Copper

(B) Ceramic

(C) Silicon

(D) Carbon

Question: 7

The difference of potentials between the two terminals of a cell in an open circuit is called

(A) Electric force

(B) Electromotive force

(C) Electromagnetic force

(D) Electrostatic force

Question: 8

In CRO the inner surface of the glass tube are coated with

(A) Aluminium

(B) Copper

(C) Graphite

(D) Metallic film

Question: 9

Who proposed electromagnetic theory?

(A) Einstein

(B) Young

(C) Maxwell

(D) Fresnel

Question: 10

Who assumed that light waves are longitudinal?

(A) Planck

(B) Huygen's

(C) Newton

(D) Maxwell