Advertisements
Advertisements
Question
How is the magnetic field due to a solenoid carrying current affected if a soft iron bar is introduced inside the solenoid?
Advertisements
Solution
Magnetic field due to a solenoid carrying current increases if a soft iron bar is introduced inside the solenoid.
APPEARS IN
RELATED QUESTIONS
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.
State two ways by which the magnetic field due to a current carrying solenoid can be made stronger.
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.
The pattern of the magnetic field produced by the straight current-carrying conducting wire is ____________.
For a current in a long straight solenoid, N-pole and S-pole are created at the two ends. Among the following statements, the incorrect statement is ____________.
The diagram below shows a magnet moved near a coil along its axis. Which of the diagram shows correct flow of current during this motion?
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?
When does a solenoid behave as a magnet? Draw the pattern of the magnetic field produced inside it showing the directions of the magnetic field lines.
Differentiate between a circular coil and a solenoid.
Draw a neat diagram of a solenoid and name its various components.
