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Current of Electricity
Understand electric current, its properties, and how electrical energy is supplied and used.
0/5
Electric Current and Charge Flow
Electromotive Force (e.m.f.) and Potential Difference
Resistance and Ohm’s Law
Factors Affecting Resistance
Applications and Safety
D.C. Circuits
Analyse direct current (D.C.) electrical circuits using circuit diagrams and rules.
0/4
Series and Parallel Circuits
Calculations in Circuits
Potential Dividers and Circuit Design
Effective Resistance in Mixed Circuits
Practical Electricity
Explore electricity in the home, including power usage, safety, and efficiency.
0/4
Electrical Power and Energy Consumption
Cost of Electricity and Meter Readings
Household Wiring and Safety Features
Hazards of Electricity and Precautions
Magnetism
Learn about magnetic materials, magnetic fields, and the interaction between magnets and currents.
0/4
Magnetic Fields and Field Lines
Magnetic Materials and Induced Magnetism
Earth’s Magnetic Field and Compass Use
Applications of Magnetism
Electromagnetism
Discover how electric currents produce magnetic fields and how this leads to key technologies.
0/4
Magnetic Effects of Current
Force on a Current-Carrying Conductor (Motor Effect)
Electric Motors
Electromagnetic Devices
Electromagnetic Induction
Understand how movement in magnetic fields induces current and how generators work.
0/4
Principle of Electromagnetic Induction
Faraday’s and Lenz’s Laws
Alternating Current (a.c.) vs Direct Current (d.c.)
Transformers and Power Transmission
Radioactivity
Explore the nature of radioactive emissions, their effects, and their uses in medicine, industry, and science.
0/5
Structure of the Atom and Isotopes
Types of Radiation: Alpha, Beta, Gamma
Detection and Measurement of Radiation
Nuclear Equations and Half-Life
Applications and Safety in Radioactivity
Secondary 4 Physics
About Lesson
Learn applications such as solenoids, relays, speakers, and magnetic switches.
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