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प्रश्न
Draw a diagram to represent the magnetic field lines along the axis of a current carrying solenoid. Mark arrows to show the direction of current in the solenoid and the direction of magnetic field lines.
Draw a diagram, showing the magnetic field lines in and around the current carrying solenoid.
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उत्तर

Along the axis of a current-carrying solenoid, the lines of magnetic fields are nearly parallel to one another.
संबंधित प्रश्न
How does a solenoid behave like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? Explain.
Why does a current carrying, freely suspended solenoid rest along a particular direction?
State the direction in which current-carrying freely suspended solenoid rests
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.

How is the magnetic field due to a solenoid carrying current affected if a soft iron bar is introduced inside the solenoid?
A current carrying solenoid behaves like a ______.
- What name is given to a cylindrical coil of diameter less than its length?
- If a piece of soft iron is placed inside the coil mentioned in part (a) and current is passed in the coil from a battery, what name is then given to the device so obtained?
- Give one use of the device mentioned in part (b).
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?
The factors on which one magnetic field strength is produced by current-carrying solenoids depends are
What does the divergence of magnetic field lines near the ends of a current carrying straight solenoid indicate?
A circuit contains a battery, a variable resistor and a solenoid. The figure below shows the magnetic field pattern produced by the current in the solenoid.

- State how the magnetic field pattern indicates regions where the magnetic field is stronger.
- What happens to the magnetic field when the current in the circuit is reversed?
For the current carrying solenoid as shown, draw magnetic field lines and give reason to explain that out of the three points A, B and C, at which point the field strength is maximum and at which point it is minimum?

How is a solenoid prepared?
Differentiate between a circular coil and a solenoid.
Draw a neat diagram of a solenoid and name its various components.
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?

