1 |
<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>
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2 |
<p class="MsoNormal">A capacitor stores 0.24 coulombs at 10 volts. It capacitance
is:<o:p></o:p></p> |
- A. <p class="MsoNormal">0.024F<o:p></o:p></p>
- B. <p class="MsoNormal">0.12F<o:p></o:p></p>
- C. <p class="MsoNormal">0.6F<o:p></o:p></p>
- D. <p class="MsoNormal">0.8F<o:p></o:p></p>
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3 |
<p class="MsoNormal">One joule per coulomb is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Volt<o:p></o:p></p>
- B. <p class="MsoNormal">Farad<o:p></o:p></p>
- C. <p class="MsoNormal">Ampere<o:p></o:p></p>
- D. <p class="MsoNormal">Tesla<o:p></o:p></p>
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4 |
<p class="MsoNormal">The electric potential energy per unit charge is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Electric field<o:p></o:p></p>
- B. <p class="MsoNormal">Electric potential<o:p></o:p></p>
- C. <p class="MsoNormal">Electric intensity<o:p></o:p></p>
- D. <p class="MsoNormal">All of above<o:p></o:p></p>
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5 |
It is used in satellite communication: |
- A. Radio waves
- B. Micro waves
- C. Light waves
- D. Electrical waves
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6 |
A device which has two way communication is: |
- A. Television
- B. Radio
- C. Hard disk
- D. Mobile phone.
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7 |
<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>
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8 |
1 MB = ________________ Kilobytes |
- A. 1022
- B. 1023
- C. 1024
- D. 1025
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9 |
The device which is used to convert sound waves into electrical signal is called: |
- A. Ear piece
- B. Microphone
- C. Transmission channel
- D. Receiver
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10 |
<p class="MsoNormal">Nichrome wire is an alloy of:<o:p></o:p></p> |
- A. <p class="MsoNormal">Lead and zinc<o:p></o:p></p>
- B. <p class="MsoNormal">Silver and copper<o:p></o:p></p>
- C. <p class="MsoNormal">Nickel and chromium<o:p></o:p></p>
- D. <p class="MsoNormal">Iron and copper<o:p></o:p></p>
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