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Physics Fsc Part 1 Full Book Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | When a charged particle is projected perpedicular to uniform magnetic field, its trajectory is. |
<p>A circle</p> <p>Ellipse</p> <p>A helix</p> <p>Straight line</p> |
| 2 | The SI unit of magnetic induction or flux density is. |
<p>Tesla</p> <p>Gauss</p> <p>Ampere</p> <p>Weber</p> |
| 3 | The SI Unit of magnetic flux is. |
<p>Weber</p> <p>N m-1</p> <p>N m A-1</p> <p>Both a and c</p> |
| 4 | Total number of magnetic lines of foce passing normally through unit area is called. |
<p>Flux density</p> <p>Magnetism</p> <p>Flux</p> <p>Magnetic flux</p> |
| 5 | A 0.50 T field over an area of 2 m2 ehich lies at angle of 60 degree tothe field, then the magnetic flux is. |
<p>0.50 weber</p> <p>0.866 weber</p> <p>0.75 weber</p> <p>4 weber</p> |
| 6 | The number of magnetic lines of force passing through any furface is known as. |
<p>Magnetism</p> <p>Electric flux</p> <p>Magnetic flux</p> <p>Flux density</p> |
| 7 | If the current passing through a wire in a magnetic fiedl is doubled, the magnetic force would become. |
<p>Twice</p> <p>Six times</p> <p>Five times</p> <p>Four times</p> |
| 8 | Two free parallel straight wires carrying curreint int he same direction |
<p>Attract each other</p> <p>Repel each other</p> <p>Do not affect each other</p> <p>Get rotated</p> |
| 9 | Two free parallel straight wires carrying currents inthe opposite direction |
<p>Do not affect wach other</p> <p>Repel each other</p> <p>Attract each other</p> <p>Get rotated</p> |
| 10 | If electric current flows from top towards the bottom through a wire then the direction of lines of force would be . |
<p>Parallel to the wire</p> <p>Perpendicular to the wire</p> <p>Clockwise around the wire</p> <p>Anticlockwise around the wire</p> |
| 11 | The direction of line of magetic force can be found by |
<p>Right hand rule</p> <p>Left and rule</p> <p>Hund's rule</p> <p>Left and right hand rules</p> |
| 12 | If a current is passing through a wire, the magnet lines of fore are. |
<p>Concentric circles</p> <p>Parallel to the wire</p> <p>Perpendicular to the wire</p> <p>Inclined to the wire</p> |
| 13 | A magnetic compass will be deffected if it is kept near a |
<p>Charge of motion </p> <p>Charge at rest</p> <p>Both a and b</p> <p>None</p> |
| 14 | What is teh value of the current in a wire of 10 cm long of the right angle to a uniform magentic field of 0.5 1weber/m2 when the force acting on the wire is 5 N ? |
<p>1 A</p> <p>100 A</p> <p>10 A</p> <p>1000 A</p> |
| 15 | A changing magnetic field produces |
<p>Electric current</p> <p>Changing electric fiedl</p> <p>Magnetic field</p> <p>Conservative field</p> |
| 16 | Magnetic field is detected by |
<p>Ammeter</p> <p>Galvanometer</p> <p>Magnetic compass</p> <p>Avometer</p> |
| 17 | One of the following quantities that is not affected by the magentic field is |
<p>Moving charge</p> <p>Change in magenetic flux</p> <p>Current flowing in conductor</p> <p>Stationary charge</p> |
