| 1. | The number of Faraday tubes of flux passing through a surface in an electric field is called ? | |
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electric flux
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electric flux density
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magnetic flux density
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electric charge density
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Report Question| 2. | The capacitance between two plates increases with ? | |
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shorter plate area and higher applied voltage
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shorter plate area and shorter distance between them
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larger plate area, longer distance between plates and higher applied voltage
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larger plate area and shorter distance between plates
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| 3. | A region around a stationary electric charge has ? | |
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an electric field
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a magnetic field
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both (a) and (b)
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none of the above
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| 4. | A variable capacitance is one whose capacitance ? | |
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changes with temperature
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changes with time
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can be changed manually or by mechanical means
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changes with voltage
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| 5. | A unit tube of flux is known as tube ? | |
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Newton
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Faraday
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Michale
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None of the above
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| 6. | The ohmmeter reading for a short circuited capacitor is ? | |
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infinity
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few kilo ohms
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few mega ohms
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zero
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| 7. | The units of volume charge density are ? | |
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Coulomb/metre
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Coulomb/metre2
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Coulomb/metre3
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Coulomb/metre4
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| 8. | The relative permittivity has the following units ? | |
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F/m
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m/F
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Wb/m
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no units
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| 9. | If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is ? | |
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charged
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short-circuited
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lossy
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satisfactory
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| 10. | ...... at a point is equal to the negative potential gradient at that point ? | |
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Electric intensity
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Electric flux
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Magnetic flux
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Magnetic flux density
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