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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | 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> |
| 2 | 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> |
| 3 | The electric field present inside ahollow charged sphere is. |
<p>Zero</p> <p>Maximum</p> <p>Constant</p> <p>Variable</p> |
| 4 | Concept of field lines of force was introduced |
<p>Faraday</p> <p>Coulomb</p> <p>Franklin</p> <p>Gauss</p> |
| 5 | 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> |
| 6 | Electric lines of force are. |
<p>Real</p> <p>Imaginary</p> <p>Complex</p> <p>None of these</p> |
| 7 | 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> |
| 8 | Flux passing through a closed surface does not depend upon |
<p>Geometry of surface</p> <p>Medium</p> <p>Charge</p> <p>All</p> |
| 9 | Electric flux is a |
<p>Scalar Quantitiy</p> <p>Vector Quantity</p> <p>Base Quantity</p> <p>None</p> |
| 10 | If we move away from a charge, the magnitude of electric intensity will |
<p>Decrease</p> <p>Increase</p> <p>Zero</p> <p>Remain Constant</p> |
| 11 | Unti of electric intensity is. |
<p>Vm-1</p> <p>NC-1</p> <p>Am-1</p> <p>Botha a and b</p> |
| 12 | The vlaue of ralative parmittivity e r. for various dielectric is always. |
<p>Larger than unity</p> <p>Less than unity</p> <p>Equal to unity</p> <p>Slightly less than unity</p> |
| 13 | When a dielectric material is placed in an electric field it |
<p>Conducts</p> <p>Palarizes</p> <p>Magnetizes</p> <p>undergoes elecrolysis</p> |
| 14 | The electric constnat of rubber is. |
<p>2.94</p> <p>2</p> <p>2.1</p> <p>3.40</p> |
| 15 | 1.6 x 10-19 J is always equal to. |
<p>1 farad</p> <p>1 coulomb</p> <p>Newton </p> <p>Electron -volt</p> |
| 16 | The relative permittivity of free speace has the value equal to. |
<p>1.0 </p> <p>1.006</p> <p>78.5</p> <p>2.1</p> |
| 17 | Value of dielectric consgtant e r for water is |
<p>25</p> <p>78.5</p> <p>2.1</p> <p>3.40</p> |
