Combined Science - Physics Paper 1 Correct 100%
What is the potential voltage of uk mains electricity supply? - ANSWER230V What colour is the earth wire in a three-core cable - ANSWERYellow and green stripes What is the frequency of the UK mains electricity supply? - ANSWER50Hz What is the role of a step-up transformer? - ANSWERTo reduce the energy lost due to heating What is an isotope? - ANSWERAtom with same number protons but different number of neutrons Is radioactive decay random? - ANSWERYes What is a half-life? - ANSWERTime taken for half the sample to decay What is the atomic number of an element? - ANSWERThe number of protons in the atom What is the charge of a proton? - ANSWERPositive 1 What is the charge of an electron? - ANSWERNegative 1 What is the charge of a neutron? - ANSWER0 neutral What piece of equipment is used to measure temperature? - ANSWERThermometer What is the independent variable? -
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- Subido en
- 11 de junio de 2024
- Número de páginas
- 2
- Escrito en
- 2023/2024
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- Examen
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combined science physics paper 1 correct 100
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combined science stuvia 2024
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what is the potential voltage of uk mains electric
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what colour is the earth wire in a three core cabl
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