| 1 |
When a current carrying conductor is placed in magnetic field at right angle to it. The direction of force acting upon it is: |
- A. The same as direction of field
- B. Opposite the direction of field
- C. Makes an angle of 45<sup>o</sup>with the current
- D. At right angle to both the field and the current.
|
| 2 |
<p class="MsoNormal">In NOT gate number of input terminals is/are:<o:p></o:p></p> |
|
| 3 |
Which part of a D.C. motor reverses the direction of current through the coil every half-cycle. |
- A. The armature
- B. The commutator
- C. The burshes
- D. The slip rings
|
| 4 |
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
|
| 5 |
<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>
|
| 6 |
<p class="MsoNormal">The standard group of bits in digital electronic is:<o:p></o:p></p> |
- A. <p class="MsoNormal">5 bits<o:p></o:p></p>
- B. <p class="MsoNormal">6 bits<o:p></o:p></p>
- C. <p class="MsoNormal">7 bits<o:p></o:p></p>
- D. <p class="MsoNormal">8 bits<o:p></o:p></p>
|
| 7 |
<p class="MsoNormal">When you rub a plastic rod against your hair several times
and put it near some bits of paper, the pieces of papers are attracted towards
it. What does this observation indicate:<o:p></o:p></p> |
- A. <p class="MsoNormal">The rod and the paper are oppositely charged<o:p></o:p></p>
- B. <p class="MsoNormal">The rod acquires a positive charge<o:p></o:p></p>
- C. <p class="MsoNormal">The rod and the paper have the same charges<o:p></o:p></p>
- D. <p class="MsoNormal">The rod acquires a negative charge<o:p></o:p></p>
|
| 8 |
<p class="MsoNormal">The angle at which prism deviates the incident ray is
called:<o:p></o:p></p> |
- A. <p class="MsoNormal">Angle of incident<o:p></o:p></p>
- B. <p class="MsoNormal">Angle of reflection<o:p></o:p></p>
- C. <p class="MsoNormal">Angle of deviation<o:p></o:p></p>
- D. <p class="MsoNormal">Angle of minimum deviation<o:p></o:p></p>
|
| 9 |
<p class="MsoNormal">A positive electric charge:<o:p></o:p></p> |
- A. <p class="MsoNormal">Attracts other positive charge<o:p></o:p></p>
- B. <p class="MsoNormal">Repels other positive charge<o:p></o:p></p>
- C. <p class="MsoNormal">Attract a neutral charge<o:p></o:p></p>
- D. <p class="MsoNormal">Repels a neutral charge<o:p></o:p></p>
|
| 10 |
According to Fleming's left hand rule the direction of force on the conductor is given by: |
- A. Thumb
- B. Fore finger
- C. Middle finger
- D. None of these
|