Energy transfers common mistakes

Common mistakes

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Describe everyday electrical appliances as devices designed to bring about energy transfers..

  Fix itAnswer by clearly explaining how to describe everyday electrical appliances as devices designed to bring about energy transfers..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Explain that energy transferred by an appliance depends on power and time switched on..

  Fix itAnswer by clearly explaining how to explain that energy transferred by an appliance depends on power and time switched on..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Describe how domestic appliances transfer energy from batteries or ac mains to kinetic energy stores in motors..

  Fix itAnswer by clearly explaining how to describe how domestic appliances transfer energy from batteries or ac mains to kinetic energy stores in motors..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Describe how domestic appliances transfer energy from batteries or ac mains to thermal energy stores in heating devices..

  Fix itAnswer by clearly explaining how to describe how domestic appliances transfer energy from batteries or ac mains to thermal energy stores in heating devices..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Explain that work is done when charge flows in a circuit..

  Fix itAnswer by clearly explaining how to explain that work is done when charge flows in a circuit..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Recall and apply the equation E = P x t..

  Fix itAnswer by clearly explaining how to recall and apply the equation E = P x t..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Recall and apply the equation E = Q x V..

  Fix itAnswer by clearly explaining how to recall and apply the equation E = Q x V..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Identify energy transferred E in joules, power P in watts and time t in seconds..

  Fix itAnswer by clearly explaining how to identify energy transferred E in joules, power P in watts and time t in seconds..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Identify charge flow Q in coulombs and potential difference V in volts..

  Fix itAnswer by clearly explaining how to identify charge flow Q in coulombs and potential difference V in volts..

• Energy transfers in everyday appliances common mistake 1

  Giving a vague answer instead of directly addressing: Calculate energy transferred from power and time..

  Fix itAnswer by clearly explaining how to calculate energy transferred from power and time..