1 |
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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2 |
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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3 |
Electric field lines of force were first introduced by: |
Ampere
Farady
Fleming
Coulomb
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4 |
Which device is used to store charge: |
Resister
Capacitor
Dielectric
Fuse
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5 |
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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6 |
If we double the distance between two charges, what will be the change in the force between them? |
Half
Double
One fourth
Four times
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7 |
Unlike charges always: |
Repel each other
Attract each other
Sometimes repel and attract each other
Both A and B
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