| 1. | The unit of intensity of electric field is ? | |
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Newton/coulomb
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metre/volt
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Joule/newton
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Coulomb/newton
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Report Question| 2. | If a body is negatively charged, then it has ? | |
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deficiency of neutrons
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deficiency of electrons
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excess of electrons
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excess of protons
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| 3. | The law, governing the force between electric charges is known as ? | |
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Faraday's law
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Coulomb's law
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Ampere's law
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Ohm's law
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| 4. | A point charge is kept at the centre of metallic insulated spherical shell. Then ? | |
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electric potential inside the sphere is zero
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electric field inside the sphere is zero
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electric field out side the sphere is zero
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net induced charge on the sphere is zero
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| 5. | The electric field at a point on equatorial line of a dipole and direction of the dipole moment ? | |
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are not related
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will be perpendicular
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will be in opposite direction
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will be parallel
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| 6. | The formation of a dipole is due to two equal and dissimilar point charges placed at a ? | |
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above each other
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short distance
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long distance
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none of these
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| 7. | Debye is the unit of ? | |
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electric dipole moment
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electric potential
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electric field intensity
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electric flux
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| 8. | The Gaussian surface ? | |
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can pass through any system of discrete charges.
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can pass through a continuous charge distribution as well as any system of discrete charges.
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can pass through a continuous charge distribution.
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cannot pass through a continuous charge distribution.
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| 9. | What happens when some charge is placed on a soap bubble ? | |
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Its radius increases
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The bubble collapses
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Its radius decreases
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None of these
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| 10. | The conservation of electric charge implies that ? | |
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Charge can’t be destroyed
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The number of charged particle in the universe is constant
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Simultaneous creation of equal and opposite charges is permissible
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Charge can’t be created
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