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Card 6
Front
What is the equation for efficiency?
Back
Card 7
Front
What is the unit that power is measured in?
Back
Card 8
Front
How many joules of electrical energy is transferred to other forms of energy in one second by 1 watt of power?
Back
Card 9
Front
Wh is power usually given in kilowatts (kW)?
Back
Card 10
Front
How many watts are equivalent to 12 kilowatts?
Back
Card 11
Front
An electric motor transfers 49kJ of electrical energy into kinetic energy in 2 minutes. What is the useful power output of the motor?
Back
Card 12
Front
**BE SURE THAT YOU PRACTICE EFFICIENCY CALCULATIONS USING BOTH FRACTIONS AND PERCENTAGES**
Back
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