| 1 |
The quantity time constant RC has units of. |
- A. Charge
- B. Time
- C. Capacitance
- D. Resistance
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| 2 |
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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| 3 |
For computation of electric flux, the surface area should be. |
- A. Parallel
- B. Flat
- C. Curved
- D. Spherical
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| 4 |
A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is. |
- A. Uniform
- B. Non uniform
- C. Weak
- D. Strong
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| 5 |
The electrostatic force between two charges is 42 N, If we place a dielectric of E<sub>y</sub>=2.1 between the charges then the force become equal to. |
- A. 42 N
- B. 88.2 N
- C. 20 N
- D. 2 N
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| 6 |
In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will |
- A. Zero
- B. g/2
- C. g
- D. 2g
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| 7 |
An ECG records the _____ between points on human skin generated by electric process i the heart. |
- A. Heart beat
- B. Pulse rate
- C. Pressure
- D. Voltage
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| 8 |
Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is. |
- A. 1 V
- B. 2 V
- C. Zero
- D. V/2
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| 9 |
The process of copying is: |
- A. Axillugraphy
- B. Chromatography
- C. Xerography
- D. Spectrography
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| 10 |
The absolute electric potential at a point distance 20 cm from a charge of 2 uC is. |
- A. 9 x 10<sup>2</sup> V
- B. 9 x 10<sup>3</sup> V
- C. 9 x 10<sup>4</sup> V
- D. 9 x 10 <sup>5</sup> V
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