Electrical Engineering MCQs

Page No. 187

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


a smaller


bgreater


cboth (A) and (B)


d none of the above


View Answer greater

A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is__________?


a50 joules


b150 joules


c200 joules


d250 joules


View Answer 250 joules

The number of Faraday tubes of flux passing through a surface in an electric field is called____________?


aelectric flux


b electric flux density


cmagnetic flux density


d electric charge density


View Answer electric flux

Two infinite parallel plates 10 mm apart have maintained between them a potential difference of 100 V. The acceleration of an electron placed between them is______________?


a0.56 x 1015 m/s2


b1.5 x 1015 m/s2


c 1.6 x 1015 m/s2


d1.76 x 1015 m/s2


View Answer 1.76 x 1015 m/s2

The phenomenon of an uncharged body getting charged merely by the nearness of a charged body is known as____________?


apholoelectric effect


bchemical effect


cmagnetic effect


dinduction


View Answer induction

The relative permittivity has the following units__________?


a F/m


bm/F


cWb/m


dno units


View Answer Wb/m

A unit tube of flux is known as tube___________?


aNewton


bFaraday


c Michale


dNone of the above


View Answer Faraday

The value of E within the field due to a point charge can be found with the help of___________?


aFaraday’s laws


bB. Kirchhoff s laws


cCoulomb’s laws


dnone of the above


View Answer Coulomb’s laws

at a point is equal to the negative potential gradient at that point?


aElectric intensity


b Electric flux


cMagnetic flux


d Magnetic flux density


View Answer Electric intensity

Dielectric strength _________ with increasing thickness


aIncrease


bdecreases


cremains unaltered


d none of the above


View Answer decreases

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