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Physics ICS Part 1 Chapter 10 Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Production of induced emf in a coil is linked with. |
<p>Nature of coil</p> <p>Shape of coil</p> <p>Flux through coil</p> <p>Chagn in flux through coil</p> |
| 2 | Lenz's law deals with the. |
<p>Magnitude of induced current</p> <p>Magnitude of induced emf</p> <p>Direction of induced emf</p> <p>Direction of induced current</p> |
| 3 | Lenz's law is consistent with |
<p>Law of conservation of energy</p> <p>Law of conservation of charge</p> <p>Law of conservation of momentum</p> <p>Law of conservation of mass</p> |
| 4 | The direction of induced current is always so as ato oppose the chagne. Which causes the current, This is the statemetn of. |
<p>Lenz's law</p> <p>Faraday's law</p> <p>Gauss's law</p> <p>Joule's law</p> |
| 5 | The motional emf depends upon the. |
<p>Length of a conductor</p> <p>Strength of a magnetic field</p> <p>Speed of the conductor</p> <p>All of the above</p> |
| 6 | The current produced when the conductor moes across a magnetic field is called |
<p>Electric potential</p> <p>Electrosatic induction </p> <p>Electromagnetic induction </p> <p>Electric polarization</p> |
| 7 | The value of the induced emf is directly proportional to the rate of change of. |
<p>Magnetic flux</p> <p>Electric flux</p> <p>Force</p> <p>Work</p> |
| 8 | What is induced when there is a relative motion between coil and the magnet. |
<p>Potential </p> <p>emf</p> <p>Flux</p> <p>Energy</p> |
| 9 | The e.m.f. produced in th conductor when it moves across a magnetic field is called. |
<p>Self emf</p> <p>Motonal emf</p> <p>Mutual emf</p> <p>Induced emf</p> |
| 10 | The fact that emf produced by motion of a coil across a magnetic field was discovered by |
<p>Michael Faraday</p> <p>Henry</p> <p>Orested</p> <p>Both a and b</p> |
| 11 | The work done by a magnetic field for revolving the chrged particle q in a circular path will be. |
<p>Fd</p> <p>Max</p> <p>Nagetive</p> <p>Zero</p> |
| 12 | 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> |
| 13 | The SI unit of magnetic induction or flux density is. |
<p>Tesla</p> <p>Gauss</p> <p>Ampere</p> <p>Weber</p> |
| 14 | 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> |
| 15 | 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> |
| 16 | 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> |
| 17 | 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> |
