Physics GK Quiz on Electrostatics Objective Questions for TNPSC - 2

Question: 6

Surface charge density is ___

(A) Charge/density

(B) Charge per unit area

(C) Charge per unit volume

(D) None of the above

Ans: B

Charge per unit area

Question: 7

The branch of Physics which deals with static electric charges or charges at rest is _____

(A) Electromagnetism

(B) Electricity

(C) Statics

(D) Electrostatics

Ans: D

Electrostatics

Question: 8

Change of potential with distance is known as

(A) Charge gradient

(B) Intensity gradient

(C) Potential gradient

(D) None of the above

Ans: C

Potential gradient

Question: 9

In insulators and semiconductors, as temperature increases, resistance ____

(A) Tends to infinity

(B) Remains the same

(C) Increases

(D) Decreases

Ans: D

Decreases

Question: 10

The electrolyte used in voltaic cell is

(A) Concentrated nitric acid

(B) Dilute sulphuric acid

(C) Hydrochloric acid

(D) Nitric acid

Ans: B

Dilute sulphuric acid

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