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An instantaneous change in voltage is not possible in

A) Capacitor B) Inductor C) Resistor D) Battery

Between 1 mA to 20 mA, electric shock will be

A) just bearable B) painful C) stop breathing _D) fibrillation of heart
One Webber is equal to Maxwell.

A) 108 8) 106 c) 10°8 0) 105

The MMF in a magnetic circuit is equal to
A) Effective voltage applied to the core B) Effective current flow to the core

C) Flux in the core D) Both A) and B)

A charge q is located at the centre of a cube, the electric flux through any face is
40 470 2௩0 _270_
4780 B 6(4180) ௦ 4780 0) 6(4180)

Relation between electric flux density (D) and field intensity (E) with relative and absolute
permittivity is expressed by

‎೯೨೨50. ೦) ೯-508 0) ೯-5‏ )8 اع رم
‎D £9‏ 8 808
‎Which of the following types of charges on surface has position but not the dimensions ?‏
‎A) Line charge B) Surface charge‏
‎C) Volume charge D) None of the above‏

‎During thunderstorm a 50 C charge is discharged between clouds. The time of discharge
is 20 ms. Determine the lightning current.

‎A) 3MA B) 5MA
C) 2.5MA D) None of the above

‎A capacitor is charged from a battery. After fully charged the battery is removed and a identical
uncharged capacitor is connected in parallel. The total energy of the combination is

‎A) Increases by a factor of 2 B) Remain constant
C) Decreases by a factor of 2 D) None of the above

‎C is the capacitance of a parallel plate capacitor with air as dielectric. If half portion is
filled with a dielectric with permittivity of ‏معط برع‎ the expression for new capacitance is

‎९ [ 8) 20-௮1 ௦ 2-௮ 0) 2-6)