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प्रश्न
How is a solenoid prepared?
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उत्तर
A solenoid is prepared by wrapping a coil of many circular turns of insulated copper wire closely in the shape of a cylinder.
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संबंधित प्रश्न
Why does a current carrying, freely suspended solenoid rest along a particular direction?
The following diagram shows a spiral coil wound on a hollow carboard tube AB. A magnetic compass is placed close to it. Current is switched on by closing the key.
- What will be the polarity at the ends A and B?
- How will the compass needle be affected? Give reason.

What effect will there be on a magnetic compass when it is brought near a current carrying solenoid?
A current carrying solenoid when freely suspended, it always rests in ______ direction.
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?
The adjacent diagram shows a small magnet placed near a solenoid. State whether the magnet is attracted or repelled, as the switch is pressed. Give a reason.
Which of the following diagrams correctly shows the magnetic field produced by a current-carrying wire?
The pattern of the magnetic field produced by the straight current-carrying conducting wire is ____________.
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?

