The National Grid
Quiz by Oak National Academy: GCSE Combined Science Edexcel Higher
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6 questions
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- Q1Which of the following are correct equations that include power?Users sort answers between categoriesSorting30s
- Q2The potential difference across a lamp is 230 V and the current through the lamp is 0.20 A. The energy transferred by the lamp in one second is ______ J.Users enter free textType an Answer30s
- Q3Which of the following equations correctly relates current, resistance and potential difference for an electrical component?30s
- Q4All electrical appliances, such as laptops and vacuum cleaners, transfer energy into the surroundings by heating. This process is called …dissipation.disintegration.distillation.disruption.disorganisation.30s
- Q5Which of the following statements about efficiency are correct?Users sort answers between categoriesSorting30s
- Q6Which of the following statements describes the generator effect?A current-carrying conductor experiences a force when it is in a magnetic field.A p.d. is induced across a conductor when the current through it changes.A p.d. is induced across a conductor when the magnetic field around it changes.A magnetic field is induced around a conductor when the current in it changes.A magnetic field is induced around a conductor when the p.d. across it changes.30s