1,000+ TNPSC GK Questions with Answers - 2

Question: 6

mho is the unit of

(A) Resistance

(B) Specific resistance

(C) Conductivity

(D) None of these

Question: 7

Antenna is

(A) Resistive its resonant frequency

(B) Resistive at resonant frequency

(C) Capacitive

(D) Inductive

Question: 8

The technique of collecting information about an object from a distance without making physical contact with it is

(A) Remote sensing

(B) Remote control

(C) Remote accessing

(D) Space shuttle

Question: 9

The waves relevant to telecommunications are

(A) Visible light

(B) Ultraviolet

(C) Microwave

(D) Infrared

Question: 10

The sky wave propagation is suitable for radio waves of frequency

(A) Up to 2 MHz

(B) From 2 MHz to 20 MHz

(C) From 2 MHz to 30 MHz

(D) From 2 MHz to 80 MHz