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प्रश्न
State two ways by which the magnetic field due to a current carrying solenoid can be made stronger.
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उत्तर
The magnetic field due to a solenoid can be made stronger by using:
- By increasing the number of turns of winding in the solenoid.
- By increasing the current through the solenoid.
- By placing a soft iron core along the axis of solenoid.
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संबंधित प्रश्न
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 ______.
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?
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State two factors on which magnitude of magnetic field at the centre depends.
What is a solenoid? Why do we usually keep its diameter small in comparison to its length?
What does the divergence of magnetic field lines near the ends of a current carrying straight solenoid indicate?
Observe the given figure of a current-carrying solenoid and write the labels of A and B correctly.
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?
