Advertisements
Advertisements
Question
Differentiate between a circular coil and a solenoid.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
State the direction in which current-carrying freely suspended solenoid rests
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 is a solenoid?
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 ____________.
The factors on which one magnetic field strength is produced by current-carrying solenoids depends are
The diagram below shows an insulated copper wire wound around a hollow cardboard cylindrical tube. Answer the questions that follow:
- What are the magnetic poles at A and B when the key K is closed?
- State two ways to increase the strength of the magnetic field in this coil without changing the coil.
- If we place a soft iron bar at the centre of the hollow cardboard and replace the DC source with an AC source then will it attract small iron pins toward itself when the current is flowing through the coil?
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?
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?
