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6.1.10Chemical Reactions

Magnetic Force on a Charge — Cambridge IGCSE Chemistry 0620 Revision Notes & Topical Questions

5 min read 11 parts Lesson 17 of 21 Unit quiz

📚 Cambridge IGCSE Chemistry 0620 Hub / Topical Revision
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Curriculum Equation Key قوانين الرقم الهيدروجيني والاتزان الأيوني - pH & Acid-Base Equilibrium FormulasFast Exam Solution
pH = -log[H⁺] | pOH = -log[OH⁻] | pH + pOH = 14 | [H⁺][OH⁻] = 10⁻¹⁴
Word Equation & Conditions: الرقم الهيدروجيني = -لوغاريتم تركيز أيون الهيدروجين | pH + pOH = 14
Location & Specifications: الاتزان الأيوني، كيمياء 3 ثانوي، التحصيلي، و AP Chemistry.
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Part 1 of 11Magnetism

Like poles
  • Like poles like poles repel The law of magnetism states that: Two like poles repel (e.g
S and
  • S and S and S or N and N) Two opposite poles attract (e.g
S and
  • S and S and N) The attraction or repulsion between two magnetic poles occurs due to the magnetic force Magnetic materials Magnetic materials can be soft or hard Magnetically soft materials (e.g
iron)
  • iron) Are easy to magnetise Easily lose their magnetism (temporarily magnetised) Magnetically hard materials (e.g
It is
  • It is It is always attracted to a permanent magnet

Part 2 of 11Magnetic Fields

1
Fundamental principles, definitions, and physical or chemical laws governing this topic.
2
Key interactions, structural properties, and process dynamics observed in experiments.
3
Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 3 of 11Permanent & Induced Magnets

Permanent & Induced Magnets
Core Concept
  • Core Concept Fundamental principles, definitions, and physical or chemical laws governing this topic.
Mechanism & Behavior
  • Mechanism & Behavior Key interactions, structural properties, and process dynamics observed in experiments.
Exam Applications
  • Exam Applications Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 4 of 11Core Practical: Investigating Magnetic Fields

Core Concept
  • Core Concept Fundamental principles, definitions, and physical or chemical laws governing this topic.
Mechanism & Behavior
  • Mechanism & Behavior Key interactions, structural properties, and process dynamics observed in experiments.
Exam Applications
  • Exam Applications Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 5 of 11Electromagnetism

1
Fundamental principles, definitions, and physical or chemical laws governing this topic.
2
Key interactions, structural properties, and process dynamics observed in experiments.
3
Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 6 of 11The Motor Effect

The Motor Effect
Motor the
  • Motor the motor The motor effect can be used to create a simple d.c
Electric motor
  • Electric motor electric motor The force on a current-carrying coil is used to make it rotate in a single direction The simple D.C
Motor forces
  • Motor forces motor Forces acting in opposite directions on each side of the coil, causing it to rotate
Motor the
  • Motor the motor The speed at which the coil rotates can be increased by: Increasing the current Increasing the strength of the magnetic field The direction of rotation of coil in the D.C
Motor is
  • Motor is motor is set up as shown below

Part 7 of 11Fleming's Left-Hand Rule

Core Concept
  • Core Concept Fundamental principles, definitions, and physical or chemical laws governing this topic.
Mechanism & Behavior
  • Mechanism & Behavior Key interactions, structural properties, and process dynamics observed in experiments.
Exam Applications
  • Exam Applications Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 8 of 11Electromagnets

1
Fundamental principles, definitions, and physical or chemical laws governing this topic.
2
Key interactions, structural properties, and process dynamics observed in experiments.
3
Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 9 of 11Magnetic Field Patterns

Magnetic Field Patterns
This
  • This is similar to the field of a bar magnet
The right hand rule
  • The right hand rule can be adapted for this situation, with fingers following the direction of current and the thumb pointing in the direction of the central magnetic field lines
This
  • This is represented by parallel field lines
When discussing
  • When discussing When discussing the strength of an electromagnet, avoid saying “add more coils”: The coil describes the overall object – the individual loops of wire should be referred to as turns
The correct phrase to use
  • The correct phrase to use is “add more turns to the coil”.

Part 10 of 11Magnetic Force on a Charge

Core Concept
  • Core Concept Fundamental principles, definitions, and physical or chemical laws governing this topic.
Mechanism & Behavior
  • Mechanism & Behavior Key interactions, structural properties, and process dynamics observed in experiments.
Exam Applications
  • Exam Applications Quantitative relationships, key formulas, and criteria required by specification mark schemes.

Part 11 of 11Exam Checklist & Tips

Specification Mastery Checklist

  • Key Definitions Ensure precise recall of terms and units as required by examination mark schemes.
  • Equations & Formulas Double-check balanced state symbols, subscripts, and SI unit conversions.
  • Common Misconceptions Verify experimental conditions, controls, and comparative trends across groups.

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Transformer Golden Equations Physics Standard

Transformer Turns Ratio & Efficiency

Ratio: Vp / Vs = Np / Ns = Is / Ip

  • Step-up reduces grid thermal loss (P = I2R).
  • Laminated core prevents eddy currents.
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