How many Concept of a magnetic field questions are there for 9702?

This page collects 4 recent Cambridge Physics (9702) past-paper questions tagged to Concept of a magnetic field. Each links straight to instant marking against the official 9702 scheme.

How are Concept of a magnetic field answers marked?

Type or photograph your working and MarkScheme scores it against the real 9702 mark scheme for this topic — method, accuracy and any band descriptors — so you see exactly where the marks are.

Where can I learn Concept of a magnetic field first?

Start with the free Physics lesson on Concept of a magnetic field, then come back and drill past-paper questions under timed conditions.

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9702 · topic questions

Concept of a magnetic field

Physics4 questions

4 past-paper questions on Concept of a magnetic field

9702/42 · May/June 20253 marks
With reference to your answer in (b)(ii), describe how the observed magnetic field of the Earth varies around the surface.
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9702/41 · October/November 20242 marks
Explain why the two wires exert a magnetic force on each other.
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9702/41 · October/November 20242 marks
Define magnetic flux density.
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9702/42 · May/June 20252 marks
On Fig. 2.3, draw field lines to represent the Earth's magnetic field outside the Earth.
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Question stems are shortened previews. Open a question to attempt the full version and have it marked.

Worked example

What a lost mark actually looks like

This answer reaches the right coordinates and still drops a mark — the conclusion is stated, but never justified. Examiners pay for the reasoning, not the answer.

MARKED

80%

Strong

M1dy/dx = 3x^2 - 12x + 9M1 earned
M1(x - 1) $(x - 3) = 0$ M1 earned
A1 $x = 1$ or $x = 3$ A1 earned
B1(1, 5) is a maximum and (3, 1) is a minimumB1 not earned

B1 — withheld
You stated the nature of each point correctly, but stated it without justification. This mark needs the reasoning shown — either evaluate the second derivative (d²y/dx² = 6x − 12, giving −6 at $x = 1$ and +6 at $x = 3$ ) or show a sign change of dy/dx either side of each point. An unsupported assertion earns nothing here even when the conclusion is right.

Concept of a magnetic field (9702) past-paper questions — marked instantly

These are real Cambridge Physics past-paper questions on Concept of a magnetic field. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9702 mark scheme so you see exactly where the marks are won and lost on this topic.

Mark your answer →Learn Concept of a magnetic field 9702 grade boundaries

Frequently asked questions

How many Concept of a magnetic field questions are there for 9702?: This page collects 4 recent Cambridge Physics (9702) past-paper questions tagged to Concept of a magnetic field. Each links straight to instant marking against the official 9702 scheme.
How are Concept of a magnetic field answers marked?: Type or photograph your working and MarkScheme scores it against the real 9702 mark scheme for this topic — method, accuracy and any band descriptors — so you see exactly where the marks are.
Where can I learn Concept of a magnetic field first?: Start with the free Physics lesson on Concept of a magnetic field, then come back and drill past-paper questions under timed conditions.