Advertisements
Advertisements
प्रश्न
The magnetic effect of current was discovered by:
(a) Maxwell
(b) Fleming
(c) Oersted
(d) Faraday
उत्तर
Oersted
Oersted first discovered that current-carrying wire produces magnetic field around it.
APPEARS IN
संबंधित प्रश्न
When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.
Which effect of current can be utilised in detecting a current carrying wire concealed in a wall?
Fill in the following blank with suitable words:
The magnetic effect of a coil can be increased by increasing the number of ........... increasing the ........... or inserting an ........... core.
Describe some experiment to show that the magnetic field is associated with an electric current.
How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?
Observe the following diagram and choose the correct alternative:
Draw magnetic field lines produced around a straight current carrying conductor passing through a cardboard. How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the conductor?
Unscramble the following words:
HTRCO
An electric bell contains an ______, consisting of coils of insulated wire wound around
iron rods.
A rectangular loop ABCD carrying a current I is situated near a straight conductor XY, such that the conductor is parallel to the side AB of the loop and is in the plane of the loop. If a steady current I is established in the conductor as shown, the conductor XY will ______.
