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- Multiple ChoicePlease save your changes before editing any questions.Is the amount of energy being transferred over a period of time.PowerEnergySecondsJoules
- Multiple ChoicePlease save your changes before editing any questions.What is the unit of measurement for power?JoulesWattsVoltageCalories
- Multiple ChoicePlease save your changes before editing any questions.
How much energy does this appliance transfer per second?240 V50 Hz150 WN533 - Multiple ChoicePlease save your changes before editing any questions.A microwave has a power rating of 1550 W. How much energy does it transfer per second?1.550 Joules15.50 Joules155.0 Joules1550 Joules
- Multiple ChoicePlease save your changes before editing any questions.Which type of appliances transfer the most energy per second?Those that transfer energy into heat.Those that transfer energy into light.Those that transfer energy into sound.Those that transfer energy into movement.
- Multiple ChoicePlease save your changes before editing any questions.Which appliance transfers the most energy per second?ClockLampDesktop ComputerIron
- Multiple ChoicePlease save your changes before editing any questions.What are we paying electrical companies?The power of the appliance per hour of use.We electricity used per hour.The impact of electricity use on the environment.The efficiency of the appliance.
- Multiple ChoicePlease save your changes before editing any questions.What is the unit of energy that electrical companies use?kJkWkJ/hourkW/hour
- Multiple ChoicePlease save your changes before editing any questions.A kettle transfers 1000J of energy every 2 seconds. Calculate its power.2000 Watts1000 Watts500 Wattscannot be determined
- Multiple ChoicePlease save your changes before editing any questions.Which of the following will help us cut on electricity bills?Using high power appliances longer.Using high power appliances less often.Using appliances that produce heat energy.Using less efficient appliances.