| 1 |
<p class="MsoNormal">Resistance of a wire of conductor of 2 Ω resistance is
doubled:<o:p></o:p></p> |
- A. <p class="MsoNormal">4 Ω<o:p></o:p></p>
- B. <p class="MsoNormal">6 Ω<o:p></o:p></p>
- C. <p class="MsoNormal">8 Ω<o:p></o:p></p>
- D. <p class="MsoNormal">10 Ω<o:p></o:p></p>
|
| 2 |
<p class="MsoNormal">Thermocouples convert:<o:p></o:p></p> |
- A. <p class="MsoNormal">Heat energy into electrical energy<o:p></o:p></p>
- B. <p class="MsoNormal">Heat energy into light energy<o:p></o:p></p>
- C. <p class="MsoNormal">Heat energy into mechanical energy<o:p></o:p></p>
- D. <p class="MsoNormal">Chemical energy into electrical energy<o:p></o:p></p>
|
| 3 |
<p class="MsoNormal">which can be used to distinguish between insulators and
conductors:<o:p></o:p></p> |
- A. <p class="MsoNormal">electricity<o:p></o:p></p>
- B. <p class="MsoNormal">telescope<o:p></o:p></p>
- C. <p class="MsoNormal">temperature<o:p></o:p></p>
- D. <p class="MsoNormal">electroscope<o:p></o:p></p>
|
| 4 |
A data storage device is. |
- A. Printer
- B. Hard disk
- C. Monitor
- D. CPU
|
| 5 |
Which memory consists of integrated circuits? |
- A. Primary memory
- B. Audio cassette
- C. Video cassette
- D. Compact cassette
|
| 6 |
<p class="MsoNormal">The filament of an electric bulb is made of:<o:p></o:p></p> |
- A. <p class="MsoNormal">Nickel<o:p></o:p></p>
- B. <p class="MsoNormal">Aluminium<o:p></o:p></p>
- C. <p class="MsoNormal">Tungsten<o:p></o:p></p>
- D. <p class="MsoNormal">Carbon<o:p></o:p></p>
|
| 7 |
The basic operations performed by a computer are. |
- A. arithmetic operations
- B. non arithmetic operations
- C. logical operation
- D. both a and c
|
| 8 |
<p class="MsoNormal">electric field is weak when:<o:p></o:p></p> |
- A. <p class="MsoNormal">lines are far apart<o:p></o:p></p>
- B. <p class="MsoNormal">lines are close together<o:p></o:p></p>
- C. <p class="MsoNormal">no lines are present<o:p></o:p></p>
- D. <p class="MsoNormal">lines are directed outside<o:p></o:p></p>
|
| 9 |
<p class="MsoNormal">Why household appliances should be connected in parallel
with the voltage source:<o:p></o:p></p> |
- A. <p class="MsoNormal">To increase the resistance of the circuit<o:p></o:p></p>
- B. <p class="MsoNormal">To decrease the resistance of the circuit<o:p></o:p></p>
- C. <p class="MsoNormal">To provide each
appliance the same voltage as the power source<o:p></o:p></p>
- D. <p class="MsoNormal">To provide each appliance the same current as the power
source<o:p></o:p></p>
|
| 10 |
<p class="MsoNormal">which is a major cause of fires and explosions at many
places:<o:p></o:p></p> |
- A. <p class="MsoNormal">match sticks<o:p></o:p></p>
- B. <p class="MsoNormal">bombs<o:p></o:p></p>
- C. <p class="MsoNormal">static electricity<o:p></o:p></p>
- D. <p class="MsoNormal">magnetism<o:p></o:p></p>
|
