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प्रश्न
Differentiate between a circular coil and a solenoid.
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उत्तर
A circular coil is a single loop of wire creating a magnetic field perpendicular to its plane, while a solenoid consists of multiple coils wound closely in a cylindrical shape, producing a uniform magnetic field inside.
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संबंधित प्रश्न
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.
Why does a current carrying freely suspended solenoid rest along a particular direction? State the direction in which it rests.
A current carrying solenoid behaves like a ______.
A current carrying solenoid when freely suspended, it always rests in ______ direction.
- 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).
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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?
Refer to the image below and state how the magnetic field pattern indicates regions where the magnetic field is stronger outside the magnet. What happens to the magnetic field when the current in the circuit is reversed?
Draw a neat diagram of a solenoid and name its various components.
