| 1 |
<p class="MsoNormal">the phenomena which is used in applying paints on the
surface of different articles is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">electroplating<o:p></o:p></p>
- B. <p class="MsoNormal">electroscope<o:p></o:p></p>
- C. <p class="MsoNormal">electrostatic induction<o:p></o:p></p>
- D. <p class="MsoNormal">electrolytes<o:p></o:p></p>
|
| 2 |
<p class="MsoNormal">Specific resistance of silver is:<o:p></o:p></p> |
- A. <p class="MsoNormal">1.7x10<sup>-8</sup> Ω.m<o:p></o:p></p>
- B. <p class="MsoNormal">2.63x10<sup>-8</sup> Ω.m<o:p></o:p></p>
- C. <p class="MsoNormal">2.75x10<sup>-8</sup> Ω.m<o:p></o:p></p>
- D. <p class="MsoNormal">7.0x10<sup>-8</sup> Ω.m<o:p></o:p></p>
|
| 3 |
From which of the following you can get information almost about everything? |
- A. Book
- B. Teacher
- C. Computer
- D. Internet
|
| 4 |
<p class="MsoNormal">The capacitance of a parallel plate capacitor is 100 pF and
the potential difference between its plate is 50 volts. What is the quantity of
charge on its plates:<o:p></o:p></p> |
- A. <p class="MsoNormal">5000c<o:p></o:p></p>
- B. <p class="MsoNormal">50c<o:p></o:p></p>
- C. <p class="MsoNormal">5nC<o:p></o:p></p>
- D. <p class="MsoNormal">5NC<o:p></o:p></p>
|
| 5 |
It is used in satellite communication: |
- A. Radio waves
- B. Micro waves
- C. Light waves
- D. Electrical waves
|
| 6 |
Information storage devices work on the principles of |
- A. Heat
- B. Sound
- C. Light
- D. Magnetism
|
| 7 |
<p class="MsoNormal">If a dielectric medium is present between two point charges
them electrostatic force will be:<o:p></o:p></p> |
- A. <p class="MsoNormal">Increased<o:p></o:p></p>
- B. <p class="MsoNormal">Decreased<o:p></o:p></p>
- C. <p class="MsoNormal">Vanishes<o:p></o:p></p>
- D. <p class="MsoNormal">Remain same<o:p></o:p></p>
|
| 8 |
<p class="MsoNormal">A parallel circuit is also used as a divider for:<o:p></o:p></p> |
- A. <p class="MsoNormal">Power<o:p></o:p></p>
- B. <p class="MsoNormal">Resistance<o:p></o:p></p>
- C. <p class="MsoNormal">Current<o:p></o:p></p>
- D. <span style="font-size:11.0pt;line-height:107%;
font-family:"Calibri",sans-serif;mso-ascii-theme-font:minor-latin;mso-fareast-font-family:
Calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;
mso-bidi-font-family:Arial;mso-bidi-theme-font:minor-bidi;mso-ansi-language:
EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA">Voltage</span>
|
| 9 |
<p class="MsoNormal">In liquids and gases the current is due to the motion of:<o:p></o:p></p> |
- A. <p class="MsoNormal">Negative charges<o:p></o:p></p>
- B. <p class="MsoNormal">Positive charges<o:p></o:p></p>
- C. <p class="MsoNormal">Both positive and negative charges<o:p></o:p></p>
- D. <p class="MsoNormal">None of these<o:p></o:p></p>
|
| 10 |
<p class="MsoNormal">Electric potential and e.m.f.:<o:p></o:p></p> |
- A. <p class="MsoNormal">Are the same terms<o:p></o:p></p>
- B. <p class="MsoNormal">Are the different terms<o:p></o:p></p>
- C. <p class="MsoNormal">Have different units<o:p></o:p></p>
- D. <p class="MsoNormal">Both b and c<o:p></o:p></p>
|