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Class 9 Physics Chapter 8: Magnetism MCQs With Explanations
Practice Class 9 Physics Chapter 8: Magnetism MCQs with explanations for Pakistani board exams. Includes solved objective questions, answer checking, chapter revision guidance and next chapter suggestions.
Use this page for direct chapter practice, answer checking and explanation review. It is available through the clean URL shown in the browser, so students can bookmark and share this exact chapter.
50Total MCQs
36With explanations
8Topics represented
Topics found: Magnetic Field Visualization, Curie Temperature, Solenoid Internal Field, Magnetic Field Direction Rule, Electric Bell Principle, Bar Magnet Field Lines, Compass Invention, Non-Demagnetization Methods
Q1. The magnetic field pattern can be visualized using:
Iron filings align along field lines, and compass needles orient tangent to field lines, both visualizing magnetic fields.
Q2. Magnetic materials lose their magnetic properties above:
No explanation is available in the database for this MCQ yet.
Q3. The magnetic field inside a long solenoid is:
For an ideal long solenoid, the magnetic field inside is uniform and directed along the axis of the solenoid.
Q4. Which rule gives the direction of magnetic field due to a current-carrying conductor?
No explanation is available in the database for this MCQ yet.
Q5. An electric bell works on the principle of:
An electric bell uses an electromagnet that activates when current flows, pulling a striker to hit the bell—demonstrating the magnetic effect of current.
Q6. The magnetic field lines due to a bar magnet:
Magnetic field lines always form continuous closed loops, emerging from the north pole and re-entering at the south pole externally, then completing internally.
Q7. The magnetic compass was invented in:
The magnetic compass was first developed in China during the Han Dynasty for geomancy and later adapted for navigation.
Q8. Which is NOT a method of demagnetization?
No explanation is available in the database for this MCQ yet.
Q9. The strength of an electromagnet depends on:
Electromagnet strength increases with higher current, more turns, and a ferromagnetic core material.
Q10. A current-carrying conductor experiences force in a magnetic field due to:
No explanation is available in the database for this MCQ yet.
Q11. The magnetic field due to a straight current-carrying conductor:
The magnetic field strength around a straight conductor is inversely proportional to the distance from the wire.
Q12. Magnetic field lines never cross each other because:
No explanation is available in the database for this MCQ yet.
Q13. The pole strength of a magnet:
No explanation is available in the database for this MCQ yet.
Q14. The magnetic effect of current is used in:
Electric bells use an electromagnet created by current flow to repeatedly strike a bell, relying on the magnetic effect of current.
Q15. Which is a hard magnetic material?
Steel retains magnetization permanently due to high coercivity, making it a hard magnetic material, unlike soft iron or pure metals.
Q16. An electromagnet loses its magnetism when:
An electromagnet's magnetism is induced by electric current; removing the current eliminates the magnetic field.
Q17. The magnetic field pattern due to a current-carrying circular coil is similar to that of:
A current-carrying circular coil produces a magnetic field identical in shape to that of a solenoid, especially when multiple turns are present.
Q18. Temporary magnets are made from:
No explanation is available in the database for this MCQ yet.
Q19. Magnetic lines of force:
Magnetic field lines form continuous closed loops, emerging from the north pole and re-entering at the south pole internally.
Q20. The magnetic field is strongest:
No explanation is available in the database for this MCQ yet.
Q21. Which device uses magnetic effect of current?
An electric bell uses an electromagnet created by current flow to repeatedly strike a bell, directly utilizing the magnetic effect of electric current.
Q22. The direction of force on a current-carrying conductor in a magnetic field is given by:
No explanation is available in the database for this MCQ yet.
Q23. Fleming's left-hand rule is used for:
Fleming's left-hand rule determines the direction of motion in an electric motor when current and magnetic field directions are known.
Q24. An electric motor converts:
Electric motors transform electrical energy into rotational mechanical energy via electromagnetic forces.
Q25. The magnetic field inside a solenoid can be increased by:
No explanation is available in the database for this MCQ yet.
Q26. Which is NOT a magnetic material?
Glass is non-magnetic, while iron, nickel, and cobalt are ferromagnetic materials.
Q27. The angle between geographic meridian and magnetic meridian is called:
Magnetic declination is the angle between geographic north and magnetic north at a given location.
Q28. A compass needle is a:
A compass needle is a small, permanently magnetized piece of metal with weak magnetic strength to respond sensitively to Earth’s magnetic field.
Q29. The Earth behaves like a huge magnet with its magnetic south pole located near:
Earth's magnetic south pole is near the geographic north pole, as magnetic field lines emerge from the magnetic south and enter at the magnetic north.
Q30. Magnetic keepers are used to:
Magnetic keepers provide a low-reluctance path between poles, reducing internal demagnetizing fields and preserving magnetization over time.
Q31. A magnet can be demagnetized by:
Heating, hammering, and alternating current all disrupt magnetic domain alignment, effectively demagnetizing a magnet.
Q32. The process of making a magnet from a magnetic material is called:
Magnetization refers to the process of inducing magnetic properties in a ferromagnetic material by aligning its magnetic domains.
Q33. Which material is used to make permanent magnets?
...
Q34. In a solenoid, the magnetic field is:
A solenoid produces a uniform magnetic field along its axis, identical to that of a bar magnet.
Q35. The magnetic field lines around a straight current-carrying conductor are:
According to the right-hand grip rule, the magnetic field lines produced by a straight current-carrying conductor form concentric circles centered on the wire.
Q36. The rule used to find the direction of magnetic field around a straight current-carrying conductor is:
The right-hand rule determines the direction of the magnetic field lines circling a current-carrying wire by thumb direction (current) and curled fingers (field).
Q37. The magnetic effect of current was discovered by:
No explanation is available in the database for this MCQ yet.
Q38. Which device uses an electromagnet?
Electric bells, motors, and generators all rely on electromagnets to function by converting electrical energy into mechanical motion or vice versa.
Q39. The strength of an electromagnet can be increased by:
No explanation is available in the database for this MCQ yet.
Q40. An electromagnet works on the principle of:
An electromagnet generates a magnetic field when electric current flows through a coil, based on the magnetic effect of current.
Q41. Which is a soft magnetic material?
Iron is a soft magnetic material because it has high permeability and low coercivity, allowing it to be easily magnetized and demagnetized.
Q42. Magnetic field lines:
Magnetic field lines form continuous closed loops from north to south pole externally and south to north internally.
Q43. The north pole of a magnet points towards:
No explanation is available in the database for this MCQ yet.
Q44. A freely suspended magnet always aligns itself in:
A freely suspended magnet aligns with Earth’s magnetic field, with its north pole pointing toward Earth’s magnetic south pole, i.e., approximately north-south.
Q45. Which material cannot be magnetized?
No explanation is available in the database for this MCQ yet.
Q46. The magnetic strength of a bar magnet is maximum at its:
Magnetic field lines are densest at the poles, where the magnetic force is strongest.
Q47. Unlike magnetic poles:
By definition, opposite or unlike magnetic poles exert an attractive force on each other.
Q48. Like magnetic poles:
Like magnetic poles (north-north or south-south) always repel each other due to the fundamental nature of magnetic field interactions.
Q49. The region around a magnet where its influence can be felt is called:
A magnetic field is the region surrounding a magnet where magnetic forces are exerted on other magnets or moving charges. This is the standard definition in physics.
Q50. A natural magnet is:
Magnetite (Fe₃O₄) is a naturally occurring mineral that exhibits permanent magnetism.
After Chapter 8: Magnetism, Practice Next Chapters
Once you finish these MCQs, continue with the next available chapters from Physics so your revision stays chapter-wise and complete.
Complete the MCQs first, then review every incorrect answer against the textbook heading where that concept appears. For biology and other science subjects, pay attention to terminology, diagrams, sequence of processes, examples and differences between similar structures or functions.
This chapter page keeps the exact class, subject, chapter, question count, answer checking, explanations and follow-up chapters together, so students can revise from one focused URL instead of searching through the full book again.
Class 9 Physics MCQ Preparation: Magnetism
This page supports Matric Part 1 practice in Physics.
At this stage, the main purpose is building the definitions, symbols, rules and study habits needed for later matric work. The questions available here should be
used with the current textbook and the instructions issued by the learner's school or examination board.
What Physics MCQs can test
In Physics, objective questions commonly draw on definitions, physical quantities, SI units, laws, graphs, diagrams, formulas and the interpretation of numerical situations.
A useful answer is based on the exact wording and concept, not simply on recognising a familiar option.
For this subject, learners should write the known quantities and units before choosing a formula, and distinguish a law from the example used to demonstrate it.
Magnetism: what to focus on
Definitions, diagrams, measurable quantities, component behavior and relationships between changing physical conditions.
Label the relevant diagram or circuit and explain what changes, what remains constant and why before selecting an answer.
Common mistakes for Class 9 learners
In this subject, frequent errors include mixing scalar and vector quantities, overlooking units, reversing cause and effect, or choosing a familiar formula without checking its conditions.
Separate new terms that look similar and connect every formula, rule or definition with at least one textbook example. When the page marks an answer as incorrect, the next step should be to identify
the mistaken idea and verify it, rather than memorising the displayed answer letter.
A practical revision routine
Read a small textbook section, answer a focused set of MCQs and correct the underlying idea before starting the next section. Before attempting the MCQs, review definitions, symbols, unit conversions, graph shapes, diagram labels and the meaning of each term in a formula.
Complete a manageable set without notes, check the result, and divide errors into missing knowledge,
misunderstood concepts and careless reading. Revise the appropriate section before repeating the chapter.
How to review Magnetism after the quiz
List the questions you missed from Magnetism and write the textbook heading
connected with each one. Explain the correct idea in your own words, then return later and answer a
fresh set. This gives the chapter page a clear purpose: finding specific weaknesses in
Physics rather than only collecting a score.
Accuracy and responsible use
Explanations are provided where they exist in the question bank, but educational databases can contain
incomplete or mistaken material. Confirm disputed answers with an authoritative textbook or teacher.
Ahmad Learning Hub provides a practice resource and does not claim that a question will appear in an
examination or that every available item represents an official board question.
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