TNPSC General Science Question Bank - 1

Question: 1

Unit of self-inductance is

(A) Weber/metre²

(B) Henry metre

(C) Henry/metre

(D) Henry

Question: 2

A device which converts high alternating voltage into low alternating voltage and vice versa is

(A) Transformer

(B) AC generator

(C) DC generator

(D) Rectifier

Question: 3

Who originally designed the AC generator?

(A) Henry

(B) Lawrence

(C) Faraday

(D) Nikola Tesla

Question: 4

Which of the following law or rule is the consequence of conservation of energy?

(A) Fleming's right hand rule

(B) Fleming's left hand rule

(C) Lenz's law

(D) Faraday's law

Question: 5

Resonance is used in

(A) Amplifier

(B) Capacitor

(C) Radio

(D) Transformer