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10 Cards in this Set
- Front
- Back
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From the least to the most penetrating, name the three types of radiation (3)
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Alpha
Beta Gamma |
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How does an atom become radioactive? (1)
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If the nucleus becomes unstable
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Describe the process of a nuclear power station (4)
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-Produce heat by splitting or fission of plutonium/uranium nuclei
- heat water, steam turns turbine - turbine drives generator & the generator makes electricity - electricity goes to the transformers to produce the correct voltage |
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What is ionisation? (1)
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Atoms lose or gaining electrons
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What are the dangers of radiation to a human? (2)
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-Ionisation of cells causes mutations leading to cancer
- high doses could kill cells |
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What are the problems with nuclear power? (1)
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Hard to dispose of waste
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What is the equation for power? (1)
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power = current x voltage
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What is power, current & voltage measured in? (3)
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power - Watts (W)
current - Amps (A) voltage - volts - (V) |
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What is the equation for energy supplied? (1)
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energy supplied = power x time
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What is the equation for total cost? (1)
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total cost = energy used x price per unit of electrical energy
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