Physics - P2

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  • Created by: hols_
  • Created on: 20-11-15 17:24

1. State the equation used to calculate electrical power?

  • Power = Current x Voltage
  • Power = Current x Total Cost
  • Power = Voltage x Time
  • Power = Current x Time
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Other questions in this quiz

2. Give 2 uses of gamma radiation:

  • Treat cancer & sterilise medical equipment.
  • Paper thickness gauge
  • In smoke-detectors

3. What is it meant by renewable energy?

  • Energy that will run out.
  • Energy that will not run out.
  • Energy that is finite.

4. What is an asteroid?

  • Rocks left over form the formation of the Solar System.
  • A small body with a core of frozen gas & dust.
  • Remains of planet that collided with Earth billions of years ago.

5. What are the 4 stages of electricity production in a conventional power station?

  • Fuel is burned to release heat energy, heat boils water to produce steam, steam drives turbines which drive generators & generators produce electricity.
  • Fuel is burned & heat boils water which produces electricity.
  • Heat boils & produces electricity.

Comments

OneHandDeborah

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Two complaints about this quiz: Question one, when asked for 2 greenhouse gases, the correct answer is giving 3 greenhouse gases. On question 3, the sun will become a red giant, however it will later be a white dwarf, so both answers are correct.

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