appliances

• What do electrical appliances transfer energy into?

  Other forms of energy
• How do lamps and bulbs transfer electrical energy?

  They convert electrical energy into light
• What type of energy does a desk lamp transfer from the mains?

  Electrical energy into light
• What is an example of an appliance that transfers electrical energy from a battery into light?

  A torch
• What are some other examples of appliances that transfer electrical energy into light?

  Digital displays, traffic lights, and car indicators
• What type of energy do motors transfer electrical energy into?

  Kinetic energy
• How does a washing machine utilize electrical energy?

  It spins a drum and pumps water
• What is an example of an appliance that uses energy from a battery to transfer kinetic energy?

  An electric drill
• What do speakers transfer electrical energy into?

  Sound energy
• What is a common use for a loudspeaker?

  Amplifying sounds
• What are some examples of appliances that transfer energy to sound?

  Alarm clocks, radios, and megaphones
• What do heating devices transfer electrical energy into?

  Thermal energy
• Name an example of a heating device.

  A toaster
• What is a characteristic of portable electric heaters?

  They can have a battery
• What is a common example of an appliance that transfers energy to thermal energy?

  An electric kettle
• How do resistors gain thermal energy?

  When a current flows through them
• What happens to electrons when an electric current is transferred within a wire?

  They lose kinetic energy when they collide with ions
• How do heating devices build up thermal energy?

  By using strong resistors
• What do charge carriers do in heating devices?

  They do work on the resistors to give them thermal energy
• How do heaters transfer thermal energy?

  Through heat flows to other objects
• Can an appliance transfer electricity to multiple forms of energy?

  Yes, some appliances can transfer to multiple forms
• What energy transfers occur in a searchlight?

  Electrical energy into light and kinetic energy
• What are some energy transfers that occur in a phone?

  Electrical energy into light, sound, and kinetic energy
• What are the main types of energy transfers in electrical appliances?

  • Electrical energy to light (e.g., lamps, bulbs)
  • Electrical energy to kinetic energy (e.g., motors)
  • Electrical energy to sound (e.g., speakers)
  • Electrical energy to thermal energy (e.g., heaters, toasters)
• What should you be able to describe for your exam regarding electrical appliances?

  • Energy transfers in simple electrical appliances
  • Focus on those with motors or heating devices
• What is the role of resistors in heating devices?

  • Gain thermal energy when current flows
  • Strong resistors build up thermal energy
  • Charge carriers do work on resistors
• What are some complex appliances that transfer multiple forms of energy?

  • Cars
  • TVs
  • Computers
  • Phones
• What features does Launchpad Learning offer for GCSE revision?

  • Interactive quizzes
  • Easy-to-follow videos
  • AI tutor support