| 1 |
How Galvanometer is connected in circuit to detect current? |
- A. In Series
- B. In Parallel
- C. Fixed
- D. Variable
|
| 2 |
<p class="MsoNormal">We can distinguish between the notes of a piano and flute
due to ………… of sound.<o:p></o:p></p> |
- A. <p class="MsoNormal">Loudness<o:p></o:p></p>
- B. <p class="MsoNormal">Pitch<o:p></o:p></p>
- C. <p class="MsoNormal">Quality<o:p></o:p></p>
- D. <p class="MsoNormal">Intensity<o:p></o:p></p>
|
| 3 |
The equivalent resistance in parallel combination is: |
- A. R<sub>c</sub>=R<sub>1</sub>+R<sub>2</sub>+R<sub>3</sub> +.................+R<sub>n</sub>
- B. R<sub>c</sub>=1/R<sub>1</sub>+1/R<sub>2</sub>+1/R<sub>3</sub>+.................+1/R<sub>n</sub>
- C. a and b
- D. None of these
|
| 4 |
<p class="MsoNormal">The screen of a cathode ray tube consists of a thin layer
of:<o:p></o:p></p> |
- A. <p class="MsoNormal">Sodium<o:p></o:p></p>
- B. <p class="MsoNormal">Nitrogen<o:p></o:p></p>
- C. <p class="MsoNormal">Oxygen<o:p></o:p></p>
- D. <p class="MsoNormal">Phosphorus<o:p></o:p></p>
|
| 5 |
The current used in houses is: |
- A. A.C.
- B. Conventiona current
- C. Current
- D. D.C
|
| 6 |
Current is equal to: |
- A. IR<sup>2</sup>
- B. CV
- C. Q/t
- D. IR
|
| 7 |
<p class="MsoNormal">In OR operation inputs are connected as:<o:p></o:p></p> |
- A. <p class="MsoNormal">Series<o:p></o:p></p>
- B. <p class="MsoNormal">Parallel<o:p></o:p></p>
- C. <p class="MsoNormal">Both series or parallel<o:p></o:p></p>
- D. <p class="MsoNormal">None of these<o:p></o:p></p>
|
| 8 |
<p class="MsoNormal">Image formed on a camera is:<o:p></o:p></p> |
- A. <p class="MsoNormal">Real, inverted, and diminished<o:p></o:p></p>
- B. <p class="MsoNormal">Virtual, upright and diminished<o:p></o:p></p>
- C. <p class="MsoNormal">Virtual, upright and magnified<o:p></o:p></p>
- D. <p class="MsoNormal">Real, inverted and magnified<o:p></o:p></p>
|
| 9 |
Specific resistance of copper is ____________ x 10<sup>-8</sup>Ohm-meter |
- A. 1.62
- B. 1.69
- C. 5.25
- D. 2.75
|
| 10 |
What type of graph is in between V and I? |
- A. Curved
- B. Parabola
- C. Straight line
- D. None of these
|
