Solenoid field and the electromagnet
This type of question, asked 5 times: 2022, 2023, 2024, 2025, 2026. All 9 questions below, oldest first.
Try each one first, then open its answer.
Question 1
2022
6 (b)(i) What is a solenoid ? (ii) Draw the pattern of magnetic field lines of the magnetic field produced by a solenoid through which a steady current flows.Question 2
2023
32What is a solenoid ? 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.Question 3
2023
32 (B)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 ?Question 4
2024
32(a) How is a solenoid prepared ? Differentiate between a circular coil and a solenoid. (b) Draw the pattern of the magnetic field lines inside a current carrying solenoid. What does this pattern indicate ?Question 5
2024
32(a) What happens when a bundle of wires of soft iron is placed inside the coil of a solenoid carrying a steady current ? Name the device obtained. Why is it called so ? (b) Draw the magnetic field lines inside a current carrying solenoid. What does this pattern of magnetic field lines indicate ?Question 6
2024
25 (b)Name the device used to magnetise a piece of magnetic material. Draw a labelled diagram to show the arrangement used for the magnetisation of a cylinder made of soft iron.Question 7
2025
36 (b)Why can’t two magnetic field lines cross each other ? Draw magnetic field lines showing the direction of the magnetic field due to a current carrying long straight solenoid. State the conclusion which can be drawn from the pattern of magnetic field lines inside the solenoid. Name any two factors on which the magnitude of the magnetic field due to this solenoid depends.Question 8
2026
39 (B)(i) Draw a diagram, showing the magnetic field lines in and around the current carrying solenoid. Write any two salient features of these lines. (ii) What is an electromagnet and how is it made ?Question 9
2026
33 (B)How is an electromagnet made ? Write any two ways by which the strength of electromagnet can be increased.