| 1 |
<p class="MsoNormal">The power of small fan is:<o:p></o:p></p> |
- A. <p class="MsoNormal">40 W<o:p></o:p></p>
- B. <p class="MsoNormal">50 W<o:p></o:p></p>
- C. <p class="MsoNormal">60 W<o:p></o:p></p>
- D. <p class="MsoNormal">80 W<o:p></o:p></p>
|
| 2 |
<p class="MsoNormal">The value or current I passing through a conductor is
inversely proportional to:<o:p></o:p></p> |
- A. <p class="MsoNormal">Temperature<o:p></o:p></p>
- B. <p class="MsoNormal">Potential difference<o:p></o:p></p>
- C. <p class="MsoNormal">e.m.f.<o:p></o:p></p>
- D. <p class="MsoNormal">resistance<o:p></o:p></p>
|
| 3 |
Which radiations are free of effect of electric and magnetic field? |
- A. Alpha
- B. Beta
- C. Gamma
- D. Alpha and beta
|
| 4 |
<p class="MsoNormal">What type of graph is in between V and I, if metal obeys
ohm’s law:<o:p></o:p></p> |
- A. <p class="MsoNormal">Curved<o:p></o:p></p>
- B. <p class="MsoNormal">Parabola<o:p></o:p></p>
- C. <p class="MsoNormal">Straight line<o:p></o:p></p>
- D. <p class="MsoNormal">None of these<o:p></o:p></p>
|
| 5 |
Isotopes are atoms of same element with different : |
- A. Atomic mass
- B. Atomic Number
- C. Number of proton
- D. Number of Neutron
|
| 6 |
The symbol of atomic mass number is: |
|
| 7 |
<p class="MsoNormal">The combined resistance of two identical resistors,
connected in series is 8Ω. Their combined resistance in a parallel arrangement
will be:<o:p></o:p></p> |
- A. <p class="MsoNormal">2 Ω<o:p></o:p></p>
- B. <p class="MsoNormal">4 Ω<o:p></o:p></p>
- C. <p class="MsoNormal">8 Ω<o:p></o:p></p>
- D. <p class="MsoNormal">12 Ω<o:p></o:p></p>
|
| 8 |
The half life of plutonium<sup> 236</sup>Pu<sub>94 </sub>is: |
- A. 2.00 years
- B. 2.35 years
- C. 2.79 years
- D. 2.85 years
|
| 9 |
Radioactive isotopes present in atmosphere is |
- A. Cobalt -60
- B. Ph-32
- C. Carbon -14
- D. Carbon -20
|
| 10 |
<p class="MsoNormal">in a dry cell, chemical energy changes into:<o:p></o:p></p> |
- A. <p class="MsoNormal">mechanical energy<o:p></o:p></p>
- B. <p class="MsoNormal">electrical energy<o:p></o:p></p>
- C. <p class="MsoNormal">potential energy<o:p></o:p></p>
- D. <p class="MsoNormal">kinetic energy<o:p></o:p></p>
|
