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Physics Fsc Part 1 Chapter 9 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Flux passing through a closed surface does not depend upon |
<p>Geometry of surface</p> <p>Medium</p> <p>Charge</p> <p>All</p> |
| 2 | Electric flux is a |
<p>Scalar Quantitiy</p> <p>Vector Quantity</p> <p>Base Quantity</p> <p>None</p> |
| 3 | 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> |
| 4 | Unti of electric intensity is. |
<p>Vm-1</p> <p>NC-1</p> <p>Am-1</p> <p>Botha a and b</p> |
| 5 | 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> |
| 6 | When a dielectric material is placed in an electric field it |
<p>Conducts</p> <p>Palarizes</p> <p>Magnetizes</p> <p>undergoes elecrolysis</p> |
| 7 | The electric constnat of rubber is. |
<p>2.94</p> <p>2</p> <p>2.1</p> <p>3.40</p> |
| 8 | 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> |
| 9 | 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> |
| 10 | Value of dielectric consgtant e r for water is |
<p>25</p> <p>78.5</p> <p>2.1</p> <p>3.40</p> |
| 11 | Value of K depends upon |
<p>System of unit</p> <p>Nature of medium</p> <p>Botha a and b</p> <p>None</p> |
| 12 | If air is replaced by any other dielectic medium the fore of attraction or repulsion between two charges. |
<p>Decreases</p> <p>Increases</p> <p>Vanishes</p> <p>Remain same</p> |
| 13 | The redius of curvature of the path of a charged particle in a uniform magnetic field is directly proportiional to. |
<p>The particle's charge</p> <p>The particle's momentum</p> <p>The partcl's energy</p> <p>The flux density of the field</p> |
| 14 | The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of. |
<p>Ohm's law</p> <p>Gausss'slaw</p> <p>Kirchhoff's second law</p> <p>Kirhhoff's first law</p> |
| 15 | The current through a conductor is 3.0 a when it is attached across a pontntial difference of 6.0 V. How much power is used. |
<p>18 W</p> <p>0.5 W</p> <p>0.2 W</p> <p>9.0 W</p> |
| 16 | Two pont charges A and B are separated by 10 m. If the distance between tehm is reduced to 5 m. the force exerted on each. |
<p>Decrease to half its original value</p> <p>Increase to twice the original value</p> <p>Increase four times to its original value</p> <p>Decreases to one quarer of its original value</p> |
