GCSE physics INDEX of notes on ELECTRICITY section circuit for testing 4 devices and their uses igcse/gcse 9-1 Physics revision notes for AQA Edexcel OCR GCSE GCSE exams

ELECTRICITY notes INDEX for Section 4

Testing circuit devices, how do they work? What are they used for? e.g. thermistor, LDR, LED and diode

[Author © Dr WP Brown PhD: Doc Brown's physics exam revision notes suitable for students of UK IGCSE & GCSE level physics courses, ~ US grades 9-10 physics, electricity page updated Feb 11th 2026 *]

[email doc b] * [privacy-policies-disclaimer] * ]SEARCH doc b's science website]

Sub-index for electricity section 4

1. Introduction - investigating a device with a simple testing circuit

2. What is an LDR? Uses of an LDR?

3. What is a thermistor? Uses? THERMISTOR

4. What is the function of a diode? Uses? DIODE

5. What is an LED? Uses of an LED? LED

WHERE NEXT?

ALL my Physics Notes

ALL my electricity and magnetism notes

Find your GCSE science course for more help links to revision notes

email doc brown - comment - query?

Electricity and magnetism revision notes index

1. Usefulness of electricity, safety, energy transfer, cost & power calculations, P = IV = I²R, E = Pt, E=IVt

2. Electrical circuits and how to draw them, circuit symbols, parallel circuits, series circuits explained

3. Ohm's Law, experimental investigations of resistance, I-V graphs, calculations V = IR, Q = It, E = QV

4. Circuit devices and how are they used? (e.g. thermistor and LDR), relevant graphs

5. More on series and parallel circuits, circuit diagrams, measurements and calculations

6. The 'National Grid' power supply, environmental issues, use of transformers

7. Comparison of methods of generating electricity

8. Static electricity and electric fields, uses and dangers of static electricity

9. Magnetism - magnetic materials - temporary (induced) and permanent magnets - uses

10. Electromagnetism, solenoid coils, uses of electromagnets

11. Motor effect of an electric current, electric motor, loudspeaker, Fleming's left-hand rule, F = BIL

12. Generator effect, applications e.g. generators generating electricity and microphone

HOME PAGE of Doc Brown's Science

Basic Science Quizzes for UK KS3 science students aged ~12-14, ~US grades 6-8

Biology * Chemistry * Physics for UK GCSE level students aged ~14-16, ~US grades 9-10

Advanced Level Chemistry for pre-university age ~16-18 ~US grades 11-12, K12 Honors

SITEMAP Website content © Dr Phil Brown 2000+. All copyrights reserved on Doc Brown's physics revision notes, images, quizzes, worksheets etc. Copying of website material is NOT permitted. Exam revision summaries and references to GCSE science course specifications are unofficial.