Electrostatics Archives - Page 4 of 11 - MCQ and Quiz for Exams

31. The total deficiency or excess of electrons in a body is known as

current

voltage

potential gradient

charge

Detailed SolutionThe total deficiency or excess of electrons in a body is known as

32. Paper condenser is

always polarised

usually of fixed value

electrolytic condenser

a variable condenser

Detailed SolutionPaper condenser is

33. The potential gradient across the material of low permittivity is than across the material of high permittivity.

smaller

greater

both (A) and (B)

none of the above

Detailed SolutionThe potential gradient across the material of low permittivity is than across the material of high permittivity.

34. The capacitance of a capacitor is not affected by

distance between plates

area of plates

thickness of plates

all of the above

Detailed SolutionThe capacitance of a capacitor is not affected by

35. The capacity of capacitor bank used in power factor correction is expressed in terms of

kW

kVA

kVAR

volts

Detailed SolutionThe capacity of capacitor bank used in power factor correction is expressed in terms of

36. The direction of electric field due +0 positive charge is .

away from the charge

towards the charge

both (A) and (B)

none of the above

Detailed SolutionThe direction of electric field due +0 positive charge is .

37. The inverse of capacitance is called

reluctance

conductance

susceptance

elastance

Detailed SolutionThe inverse of capacitance is called

38. The lines of force due to charged particles are

always straight

always curved

sometimes curved

none of the above

Detailed SolutionThe lines of force due to charged particles are

39. To prevent the generation of static charges on rubber or flat leather

surface is moistened

conductive dressing is done

oil compound dressing is done

talcum powder is sprayed on the surface

Detailed SolutionTo prevent the generation of static charges on rubber or flat leather

40. Which is the most superior dielectric out of the following ?

Air

Glass

Bakelite

Paper

Detailed SolutionWhich is the most superior dielectric out of the following ?

Page 1 Page 2 Page 3 Page 4 Page 5

Test 1 Test 2 Test 3

Exit mobile version