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Combined Science: Physics

GCSE · Edexcel · foundation

QuestionsFlashcards

Expressing Quantities & SI Units
- Units & Prefixes
  8
- Conversions & Standard Form
  6

Describing Motion
Forces
Stopping Distances

Conservation of Energy
Efficiency & Energy Resources

Properties of Waves

Electromagnetic Waves

Atomic Structure
Radioactive Decay
Dangers of Radiation
- Dangers of Radiation
  5
- Contamination & Irradiation
  6

Work, Power & Efficiency

Types of Forces

Current, Potential Difference & Resistance
Components in Series & Parallel Circuits
Energy Transfers in Circuits
Mains Electricity

Magnetism
Electromagnetism & The Motor Effect
- Magnetic Fields in Wires
  6
- Magnetic Fields in Solenoids
  6

Transformers & the National Grid
- The National Grid
  5
- The Ideal Transformer Equation
  3

States of Matter & Thermal Capacity
Particle Model & Pressure
- Kinetic Theory
  4
- Absolute Zero
  5

Forces & Elasticity

Sherpa Study
GCSE Combined Science: Physics
Edexcel Foundation Flashcards
Energy – Forces Doing Work
Work, Power & Efficiency
Efficiency

Efficiency Flashcards

All 2 cards in this deck

What is the equation for efficiency?: efficiency = useful energy transferred by the device ÷ total energy supplied to the device.
True or false? A device can have an efficiency greater than 100%.: False. The useful energy transferred can never be more than the total energy supplied.