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Physics Fsc Part 1 Chapter 9 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Which of the following metal has the lowest value of temperature coefficient of resistivity. |
<p>Gold</p> <p>Silver</p> <p>Copper</p> <p>Aluminum</p> |
| 2 | Specific resistanc of a conductor depends upon is. |
<p>Matrial</p> <p>Length</p> <p>Area</p> <p>All</p> |
| 3 | If the resistivity of a material is large then it is. |
<p>Poor Conductor</p> <p>Conductor</p> <p>Good conductor</p> <p>Insulator</p> |
| 4 | Electric force as compared to gravitational force is. |
<p>Very weak</p> <p>Very strong</p> <p>Moderately weak</p> <p>Infinite</p> |
| 5 | Range of electric force is. |
<p>Small</p> <p>Large</p> <p>Medium</p> <p>None</p> |
| 6 | 1.6 x 10-19 J is always equal to. |
<p>1 farad</p> <p>Electron volt</p> <p>1 coulomb</p> <p>Coulomb</p> |
| 7 | Electron -vold is a unit of. |
<p>Energy</p> <p>Potential</p> <p>Capacitance</p> <p>Electric intensity</p> |
| 8 | The potential gradient is a. |
<p>Scalar</p> <p>Power</p> <p>Vector</p> <p>Energy</p> |
| 9 | The negative of potential gradient is. |
<p>Potential energy</p> <p>Electric field intensity</p> <p>Elelctromotive force</p> <p>Electrostataic force</p> |
| 10 | On moving a charge of 20 Coulomb by 2 cm. 2 J of work is done, then the potential differecne between the points is. |
<p>0.1 V</p> <p>8 V</p> <p>2 V</p> <p>0.5 V</p> |
| 11 | A uniform electric field is represented by a set of lines which are. |
<p>Parallel and equally spaced</p> <p>Converging</p> <p>Diverging</p> <p>Circular</p> |
| 12 | Nautral zone in electric field of two similar charge is region where. |
<p>Both positive and negative charges are present</p> <p>Equal quantity of both positive and negative charges are present</p> <p>An electric dipole exists</p> <p>No electric ifeld line passes</p> |
| 13 | The electric field present inside ahollow charged sphere is. |
<p>Zero</p> <p>Maximum</p> <p>Constant</p> <p>Variable</p> |
| 14 | Concept of field lines of force was introduced |
<p>Faraday</p> <p>Coulomb</p> <p>Franklin</p> <p>Gauss</p> |
| 15 | For apositive charge electic field lines are directed. |
<p>Towards charge</p> <p>Away from charge</p> <p>Botha a and b</p> <p>None</p> |
| 16 | Electric lines of force are. |
<p>Real</p> <p>Imaginary</p> <p>Complex</p> <p>None of these</p> |
| 17 | A positive charge is placed at the center of sphere of radius r, then the electric flux depends upon |
<p>The radius of the sphere</p> <p>Quantity of charge</p> <p>The intensity of the electric field</p> <p>All of the above</p> |
