TNPSC Group 1, 2, 2a Mains Physics Questions and Answers - 1

Question: 1

Fuse wire is an alloy of

(A) Copper and aluminium

(B) Copper and Tin

(C) Lead and Chromium

(D) Tin and Lead

Question: 2

_____ is an instrument to measure potential difference between the two ends of a current carrying conductor.

(A) Ammeter

(B) Galvanometer

(C) Ohmmeter

(D) Voltmeter

Question: 3

The direction of the magnetic in a current carrying conductor is given by ____

(A) Maxwell’s right hand cork screw rule

(B) End rule

(C) Tangent law

(D) Biot-Savart law

Question: 4

Who discovered that a magnetic field is associated with a current carrying conductor?

(A) Faraday

(B) Oersted

(C) Huygens

(D) Kirchoff

Question: 5

_____ of the material liberates the outer electrons from individual atoms.

(A) Thermodynamic internal energy

(B) Vibrational energy

(C) Kinetic energy

(D) Potential energy