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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