| 1 |
The toner of printer is given |
- A. Positive charge
- B. Negative charge
- C. Neutral
- D. First positive then negative
|
| 2 |
A capacitor stores energy in the form of. |
- A. Magnetic field
- B. Heat energy
- C. Electrical energy
- D. Mechanical energy
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| 3 |
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
|
| 4 |
NC-1 is the SI unit is |
- A. Force
- B. Charge
- C. Current
- D. Electric intensity
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| 5 |
The leV = |
- A. 1.6x10-19C
- B. 1.6x10-11J
- C. 1.6x10-19J
- D. 1.6x10-11C
|
| 6 |
If both the magnitude of charges and distance between them is doubled, then coulomb's force will be. |
- A. Doubled
- B. Hlaf
- C. Remain same
- D. One fourth
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| 7 |
Electric intensity due to an infinite sheet of charge is: |
- A. ∂/2ε<sub>∘</sub>
- B. ∂/rε<sub>∘</sub>
- C. ∂/r2ε<sub>∘</sub>
- D. none of these
|
| 8 |
Force per unit charge is called: |
- A. Gravitational force
- B. Electric field intensity
- C. Coulomb's force
- D. None of these
|
| 9 |
The capacitance of a capacitor depends upon. |
- A. Thickness of plates
- B. Charges on the plates
- C. Voltage applied
- D. Geometry of the capacitor
|
| 10 |
Electric flux is a |
- A. Vector quantity
- B. Scalar quantity
- C. Both (a) and (b)
- D. None of above
|