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प्रश्न
Sketch the lines of force of the magnetic field of a solenoid. How does its field compare with that of a bar magnet?
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उत्तर
The magnetic field of a solenoid is very similar to that of a bar magnet. the given figure shows, respectively, the lines of force of the magnetic field of a current-carrying solenoid and a bar magnet.


संबंधित 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.
Why does a current carrying freely suspended solenoid rest along a particular direction? State the direction in which it rests.
- 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).
Derive the expression for the heat produced due to a current ‘I’ flowing for a time interval ‘t’ through a resistor ‘R’ having a potential difference ‘V’ across its ends. With which name is the relation known? How much heat will an instrument of 12W produce in one minute if it is connected to a battery of 12V?
Draw magnetic field lines in and around a current-carrying straight solenoid.
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 ____________.
Observe the given figure of a current-carrying solenoid and write the labels of A and B correctly.

Differentiate between a circular coil and a solenoid.
