Electrical Engineering MCQs

Page No. 196

If three 10 uF capacitors are connected in parallel, the net cararitance is___________?


a20 uF


b30 uE


c40 uF


d50 uF


View Answer 30 uE

An electrolytic capacitor can be used for_____________?


aD.C. only


bAC. only


cboth D.C. as well as A.C.


dNone of these


View Answer D.C. only

Which of the following is not a vector ___________?


aLinear momentum


b Angular momentum


cElectric field


dElectric potential


View Answer Angular momentum

The lines of force due to charged particles are_________?


aalways straight


b always curved


csometimes curved


dnone of the above


View Answer always curved

If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will__________?


adecrease


bincrease


cremains unchanged


dbecome zero


View Answer increase

A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is___________?


a0.024 F


b0.12 F


c0.6 F


d0.8 F


View Answer 0.024 F

If three 15 uF capacitors are connected in series, the net capacitance is


a 5 uF


b 30 uF


c 45 uF


d50 uF


View Answer 5 uF

The direction of electric field due +0 positive charge is ___________?


aaway from the charge


btowards the charge


cboth A. and (6)


dnone of the above


View Answer away from the charge

The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be______________?


a400 N/C


b600 N/C


c800 N/C


d1200 N/C


View Answer 800 N/C

The electric field at a point situated at a distance d from straight charged conductor is____________?


aproportional to d


binversely proportional to d


c inversely proportional to d


dnone of the above



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