1 |
Flux through any closed surface is: |
- A. 1/ε<sup>2</sup><sub>∘</sub> times the total charge enclosed in it
- B. ε<sup>2</sup><sub>∘</sub> time the total charge enclosed in it
- C. 1/ε<sub>∘</sub> ties the total charge enclosed in ti
- D. ε<sub>∘</sub> time the total charge enclosed in it
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2 |
If the separation between the plates of a capacitor is doubled then its capacitance become. |
- A. Double
- B. Half
- C. One fourth
- D. Three times
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3 |
The quantity time constant RC has units of. |
- A. Charge
- B. Time
- C. Capacitance
- D. Resistance
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4 |
Electric flux is a: |
- A. Scalar quantity
- B. Vector quantity
- C. Variable quantity
- D. None of these
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5 |
The photo copying process is called |
- A. Xerography
- B. Inkjet Printer
- C. Both (a) and (b)
- D. None of these
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6 |
Gauss's law can only be applied to. |
- A. A curved surface
- B. A flat surface
- C. A closed surface
- D. A surface of any shape
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7 |
The electrical intensity is equal to: |
- A. -Δr/Δv
- B. Δv/Δr
- C. Δv/Δv
- D. -Δv/Δr
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8 |
The work done is bringing a unit positive charge from infinity to that point in an electric field is called. |
- A. Potential
- B. Potential difference
- C. Absolute potential
- D. All of these
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9 |
Force per unit charge is called: |
- A. Gravitational force
- B. Electric field intensity
- C. Coulomb's force
- D. None of these
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10 |
Concept of the electric field lines is introduced by |
- A. Coulomb
- B. Faraday
- C. Einstein
- D. Joseph henry
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