| 1 |
Which type of energy is converted into mechanical energy in the D.C. Motor. |
- A. Magnetic energy
- B. Heat energy
- C. Electrical energy
- D. Chemical energy
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| 2 |
<p class="MsoNormal">The output of a NAND gate is 0 when:<o:p></o:p></p> |
- A. <p class="MsoNormal">Both of its inputs are 0<o:p></o:p></p>
- B. <p class="MsoNormal">Both of its inputs are 1<o:p></o:p></p>
- C. <p class="MsoNormal">Any of its inputs is 0<o:p></o:p></p>
- D. <p class="MsoNormal">Any of its inputs is 1<o:p></o:p></p>
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| 3 |
If the current in a wire which is placed perpendicular to a magnetic field increases, the force on the wire. |
- A. Increases
- B. Decreases
- C. Remains the same
- D. Will be zero
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| 4 |
<p class="MsoNormal">In totally reflecting prism one angle is of 90°, and other
two angles are of:<o:p></o:p></p> |
- A. <p class="MsoNormal">30°,30°<o:p></o:p></p>
- B. <p class="MsoNormal">45°,90°<o:p></o:p></p>
- C. <p class="MsoNormal">45°,45°<o:p></o:p></p>
- D. <p class="MsoNormal">40°,40°<o:p></o:p></p>
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| 5 |
The coil of a transformer which is connected to A.C is called: |
- A. Primary coil
- B. Secondary coil
- C. Field coil
- D. Armature coil
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| 6 |
The lines will be in the form of concentric circles, if conductor is: |
- A. Circular
- B. Straight
- C. Solenoid
- D. None of these
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| 7 |
<p class="MsoNormal">The cathode ray oscilloscope consists of main parts:<o:p></o:p></p> |
- A. <p class="MsoNormal">Two<o:p></o:p></p>
- B. <p class="MsoNormal">Three<o:p></o:p></p>
- C. <p class="MsoNormal">Four<o:p></o:p></p>
- D. <p class="MsoNormal">Five<o:p></o:p></p>
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| 8 |
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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| 9 |
<p class="MsoNormal">When a ray of light enters from denser medium to rare
medium, the angle of incidence for which angle of refraction is 90° is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Angle of incidence<o:p></o:p></p>
- B. <p class="MsoNormal">Critical angle<o:p></o:p></p>
- C. <p class="MsoNormal">Angle of refraction<o:p></o:p></p>
- D. <p class="MsoNormal">Angle of deviation<o:p></o:p></p>
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| 10 |
<p class="MsoNormal">The refractive index of ice is:<o:p></o:p></p> |
- A. <p class="MsoNormal">1.00<o:p></o:p></p>
- B. <p class="MsoNormal">1.33<o:p></o:p></p>
- C. <p class="MsoNormal">1.31<o:p></o:p></p>
- D. <p class="MsoNormal">2.42<o:p></o:p></p>
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