| 1. | The value of dielectric constant for vacuum is taken as ? | |
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zero
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1
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4
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10
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Report Question| 2. | Which is the most superior dielectric out of the following ? | |
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Air
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Glass
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Bakelite
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Paper
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| 3. | 1 volt/metre is same as ? | |
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l metre/coulomb
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1 newton metre
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1 newton/metre
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1 joule/coulomb
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| 4. | One volt is the same as ? | |
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one joule/coulomb
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one coulomb/joule
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one coulomb
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one joule
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| 5. | The total deficiency or excess of electrons in a body is known as ? | |
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current
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voltage
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potential gradient
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charge
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| 6. | The minimum value of potential gradient in a cable occurs in ? | |
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insulation
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conductor
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outer sheath
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uniformly all over
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| 7. | Dielectric strength ...... with increasing thickness ? | |
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increases
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decreases
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remains unaltered
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none of the above
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| 8. | Which of the following capacitors is marked for polarity ? | |
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Air
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Paper
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Mica
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Electrolytic
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| 9. | The surface integral of normal component of the electric intensity E over a closed surface is equal to times the total charge inside it". The above statement is known as ? | |
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Gauss's theorem
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Faraday's law
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Lenz's law
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None of the above
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| 10. | Which of the following capacitors can be used for temperature compensation ? | |
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Air capacitor
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Ceramic capacitor
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Paper capacitor
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None of the above
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