Advertisements
Advertisements
प्रश्न
The diagram shows a current-carrying coil passing through a cardboard sheet. Draw three magnetic lines of force on the board.
State two factors on which magnitude of magnetic field at the centre depends.
Advertisements
उत्तर
Figure shows the magnetic lines of force due to current-carrying coil.
The magnitude of the magnetic field at the center of coil depends on:
(i) the strength of the current in the coil, and
(ii) the radius of coil.
APPEARS IN
संबंधित प्रश्न
Why does a current carrying, freely suspended solenoid rest along a particular direction?
The figure shows a solenoid wound on a core of soft iron. Will the end A be a N pole or S pole when the current flows in the direction shown?
The adjacent diagram shows a small magnet placed near a solenoid AB. Current is switched on in the solenoid by pressing the key K.
- State the polarity at the ends A and B.
- Will the magnet be attracted or repelled? Give a reason for your answer.
Why does a current carrying freely suspended solenoid rest along a particular direction? State the direction in which it rests.
Draw the pattern of magnetic field lines of a solenoid through which a steady current flows. What does the pattern of field lines inside the solenoid indicate?
Sketch the lines of force of the magnetic field of a solenoid. How does its field compare with that of a bar magnet?
Which of the following diagrams correctly shows the magnetic field produced by a current-carrying wire?
When does a solenoid behave as a magnet? Draw the pattern of the magnetic field produced inside it showing the directions of the magnetic field lines.
Differentiate between a circular coil and a solenoid.
Current is flowing through a coil as shown in the figure. Which one of the given figures will correctly depict the magnetic polarity and the direction of the lines of force along the axis of the coil?
