Practise 17 real Federal Board questions on Magnetism from 2025 to 2026. See the answer and explanation as soon as you answer.
Magnetism is one of the 16 main chapters in our Federal Board Matric Physics question bank (9th class), and about 4% of its real questions come from it. Tayyari Karo has 17 real questions on this chapter from 2025 to 2026; 6 are multiple choice and marked instantly, and the rest are short and long questions with a model answer. By difficulty: 13 easy, 4 medium.
Work through the questions below, then open the explanation for each one. Redo the ones you missed a few days later.
These are real past-paper questions. Think of your answer first, then open the explanation.
When a soft iron piece is placed near a magnet, it:
Answer: C. Gets temporary poles (N and S)
Soft iron is magnetised by induction and gets temporary poles; it loses them when the magnet is removed.
Which one of the following is the correct formula for magnetic field of a solenoid?
Answer: B. B = µ₀nI
B = µ₀nI, where n is the number of turns per unit length and I the current.
Electromagnet is NOT found in:
Answer: A. A digital clock
Motors, fans and loudspeakers all use electromagnets; a digital clock uses electronic circuits.
Magnetic field is strongest where magnetic field lines are:
Answer: A. Closest
The density of field lines represents field strength; the field is strongest near the poles where lines are closest.
A bar magnet's magnetic field lines emerge from:
Answer: A. North pole
Outside a magnet, field lines leave the north pole and enter the south pole.
Which of the following material is ferromagnetic?
Answer: D. Nickel
Iron, nickel and cobalt are ferromagnetic.
Why are soft magnetic materials, such as soft iron, used to provide shielding from magnetic fields? Explain briefly.
Soft iron has very high magnetic permeability: magnetic field lines pass through it far more easily than through air. When a sensitive instrument is enclosed in a soft‑iron box, the external magnetic field lines are drawn into and travel through the iron walls instead of entering the space inside, so the region inside is almost field‑free. Soft iron is chosen because it magnetises and demagnetises easily and retains no magnetism of its own that could disturb the instrument.
Compare magnetic and non‑magnetic materials.
Magnetic materials are strongly attracted by a magnet and can themselves be magnetised — e.g. iron, steel, nickel, cobalt (ferromagnetic). Their atoms act as tiny magnets that can be aligned.
Non‑magnetic materials are not attracted by a magnet and cannot be magnetised — e.g. copper, aluminium, wood, plastic, glass, paper.
| Session | Questions |
|---|---|
| 2026 Annual | 6 |
| 2025 1st Annual | 5 |
| 2025 2nd Annual | 6 |
17 real Federal Board (FBISE) Physics questions on Magnetism from 2025 to 2026, for 9th class. Each one shows the session it came from.
No. We could not find an official FBISE marking scheme for these papers, so the answers and explanations are written by Tayyari Karo for practice. Check anything important with your teacher or textbook.
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