1000+ TNPSC General Science Study Material in English Pdf - 2

Question: 6

In a dry cell (battery), which of the following are used as electrolytes?

(A) Ammonium chloride and calcium chloride

(B) Magnesium chloride and zinc chloride

(C) Sodium chloride and calcium chloride

(D) Ammonium chloride and zinc chloride

Question: 7

A galvanometer is converted into a voltmeter when we connect a

(A) Low resistance in series

(B) Low resistance in parallel

(C) High resistance in parallel

(D) High resistance in series

Question: 8

Conversion of chemical energy into electrical energy occurs in

(A) Battery

(B) Dynamo

(C) Electric heaters

(D) Atomic bombs

Question: 9

Direct conversion of solar energy with the use of photovoltaic cell results in the production of

(A) Mechanical energy

(B) Thermal energy

(C) Electrical energy

(D) Optical energy

Question: 10

Fusion reaction takes place at high temperature because

(A) Kinetic energy is high enough to overcome repulsion at high temperature

(B) Nuclei break up at high temperature

(C) Molecules break up at high temperature

(D) Atoms are ionized at high temperature