Energy And Power Flashcards

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1
Q

What is the unit of power?

A

The unit of power is “Watts”.

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2
Q

What us the energy that companies use for your electric bills?

A

The energy that companies use for your electric bills is kilowatts per hour (kwh).

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3
Q

What is power?

A

Power is the energy transferred per seconds.

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4
Q

How much is 1kW in Watts?

A

1kW is 1000W.

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5
Q

What is 12000 J per secons the same as?

A

12000 J per second is the same as 12 killojoules per second (kjs). 1000 J is 1kj.

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6
Q

What is energy?

A

Energy is the ability to do work.

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7
Q

What is the unit of energy?

A

J (Jouls)

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8
Q

List the 7 energy stores…

A
  • Chemical energy store
  • gravitasional potensial energy store
  • kinetic energy store
  • elastic energy store
  • meagnetic energy store
  • electrostatic energy store
  • thermal energy store
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