1 |
<p class="MsoNormal">Which animal have ability to move his eye lens:<o:p></o:p></p> |
- A. <p class="MsoNormal">Snake<o:p></o:p></p>
- B. <p class="MsoNormal">Fish<o:p></o:p></p>
- C. <p class="MsoNormal">Ant<o:p></o:p></p>
- D. <p class="MsoNormal">Tiger<o:p></o:p></p>
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2 |
In A.C. generator flux will be zero if coil is to the field. |
- A. 90<sup>o</sup>
- B. 45<sup>o</sup>
- C. Parallel
- D. Inclined
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3 |
<p class="MsoNormal">The instrument which is used to display the magnitude of
changing electric current is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Evacuated tube<o:p></o:p></p>
- B. <p class="MsoNormal">Cathode rays oscilloscope<o:p></o:p></p>
- C. <p class="MsoNormal">Television tube<o:p></o:p></p>
- D. <p class="MsoNormal">Picture tube<o:p></o:p></p>
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4 |
When an electric current passes through a conductor, which field is produced around it? |
- A. Electric field
- B. Magnetic field
- C. Gravitational field
- D. Electrostatic field
|
5 |
Electric motor converts electrical energy into: |
- A. Chemical energy
- B. Solar energy
- C. Heat energy
- D. Mechanical energy
|
6 |
Transformer works on _______ supply. |
- A. A.C
- B. D.C
- C. Battery
- D. Both A and B
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7 |
Number of poles in a magnet is: |
- A. One
- B. Two
- C. Three
- D. Unlimited
|
8 |
Transformer Works on the principle of: |
- A. Self induction
- B. Mutual induction
- C. Electro statatic
- D. Induction
|
9 |
<p class="MsoNormal">In compound microscope, the objective have focal length than
eye-piece:<o:p></o:p></p> |
- A. <p class="MsoNormal">Smaller<o:p></o:p></p>
- B. <p class="MsoNormal">Larger<o:p></o:p></p>
- C. <p class="MsoNormal">Equal<o:p></o:p></p>
- D. <p class="MsoNormal">Equal and larger<o:p></o:p></p>
|
10 |
Which device is used to increases / decreases A.C Voltage? |
- A. Electric motor
- B. Transformer
- C. A.C Generator
- D. Solenoid
|