1 |
The S.I unit of electric current is: |
Volt
Ampere
Coulomb
Watt
|
2 |
Mathematical formula of capacitance of a capacitor is: |
C = QV
C = Q/V
C = V/Q
C = V2/Q
|
3 |
The S.I unit of electric potential is: |
Watt
Joule
Coulomb
Volt
|
4 |
The SI unit of electric field intensity is: |
NC-2
NC-1
Ns
Nm-1
|
5 |
Field around a charge in which that charge exerts a force on a point charge brought in that field is called: |
Electric field
Magnetic field
Neutral zone
Point charge
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6 |
A positive electric charge: |
Attracts other positive charge
Repels other positive charge
Attracts a neutral particle
Repels a neutral particle
|
7 |
Coulomb's law is mathematically stated as: |
F = k q1 q2/r3
F = k q2 q2 / r2
F = k q1 q2 / r
F = k q1 q2 / r2
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8 |
If a charged body is brought near a negatively charged electroscope and the leaves of electroscope diverge, then the body is: |
Positively charged
Negatively charged
Neutral
None of these
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9 |
Electric field lines of force were first introduced by: |
Ampere
Farady
Fleming
Coulomb
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10 |
Which device is used to store charge: |
Resister
Capacitor
Dielectric
Fuse
|
11 |
In the presence of a charged body, an insulated conductor develops positive charge at one end and negative charge at the other end, this i- called: |
Electrostatics
Electrostatic induction
Magnetism
Electromagnetic induction
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12 |
If we double the distance between two charges, what will be the change in the force between them? |
Half
Double
One fourth
Four times
|