[amp_mcq option1=”current” option2=”voltage” option3=”potential gradient” option4=”charge” correct=”option4″]
Detailed SolutionThe total deficiency or excess of electrons in a body is known as
Electrostatics
32. Paper condenser is
[amp_mcq option1=”always polarised” option2=”usually of fixed value” option3=”electrolytic condenser” option4=”a variable condenser” correct=”option1″]
33. The potential gradient across the material of low permittivity is than across the material of high permittivity.
[amp_mcq option1=”smaller” option2=”greater” option3=”both (A) and (B)” option4=”none of the above” correct=”option1″]
34. The capacitance of a capacitor is not affected by
[amp_mcq option1=”distance between plates” option2=”area of plates” option3=”thickness of plates” option4=”all of the above” correct=”option1″]
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
[amp_mcq option1=”kW” option2=”kVA” option3=”kVAR” option4=”volts” correct=”option3″]
36. The direction of electric field due +0 positive charge is .
[amp_mcq option1=”away from the charge” option2=”towards the charge” option3=”both (A) and (B)” option4=”none of the above” correct=”option1″]
Detailed SolutionThe direction of electric field due +0 positive charge is .
37. The inverse of capacitance is called
[amp_mcq option1=”reluctance” option2=”conductance” option3=”susceptance” option4=”elastance” correct=”option3″]
38. The lines of force due to charged particles are
[amp_mcq option1=”always straight” option2=”always curved” option3=”sometimes curved” option4=”none of the above” correct=”option3″]
Detailed SolutionThe lines of force due to charged particles are
39. To prevent the generation of static charges on rubber or flat leather
[amp_mcq option1=”surface is moistened” option2=”conductive dressing is done” option3=”oil compound dressing is done” option4=”talcum powder is sprayed on the surface” correct=”option1″]
Detailed SolutionTo prevent the generation of static charges on rubber or flat leather
40. Which is the most superior dielectric out of the following ?
[amp_mcq option1=”Air” option2=”Glass” option3=”Bakelite” option4=”Paper” correct=”option2″]
Detailed SolutionWhich is the most superior dielectric out of the following ?