More cards in this set

Card 6

Front

What is the equation for efficiency?

Back

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Card 7

Front

What is the unit that power is measured in?

Back

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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

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Card 9

Front

Wh is power usually given in kilowatts (kW)?

Back

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Card 10

Front

How many watts are equivalent to 12 kilowatts?

Back

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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

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Card 12

Front

**BE SURE THAT YOU PRACTICE EFFICIENCY CALCULATIONS USING BOTH FRACTIONS AND PERCENTAGES**

Back

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