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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.
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संबंधित प्रश्न
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.
What effect will there be on a magnetic compass when it is brought near a current carrying solenoid?
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?
What is a solenoid? Why do we usually keep its diameter small in comparison to its length?
The pattern of the magnetic field produced by the straight current-carrying conducting wire is ____________.
The factors on which one magnetic field strength is produced by current-carrying solenoids depends are
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Draw a neat diagram of a solenoid and name its various components.
