Mains Electricity QuizVersion en ligne Test your knowledge about mains electricity with these fun questions! par victor 1 What is the standard voltage of mains electricity in the UK? a 110 volts b 240 volts c 120 volts d 230 volts 2 What frequency does mains electricity typically operate at in Europe? a 60 Hz b 50 Hz c 40 Hz d 70 Hz 3 What is the primary purpose of mains electricity? a Cooling systems b Powering electrical devices c Heating water d Storing energy 4 Which of the following is a common type of mains plug in the UK? a Type C b Type G c Type B d Type A 5 What color is the live wire in a standard UK mains cable? a Brown b Green c Yellow d Blue 6 What is the purpose of a fuse in a mains electricity system? a Reducing frequency b Increasing voltage c Storing energy d Preventing overloads 7 What does RCD stand for in electrical safety? a Regular Current Divider b Rapid Current Detector c Resistance Circuit Device d Residual Current Device 8 In which year was the UK mains electricity system standardized? a 1950 b 1947 c 1935 d 1960 9 What is the purpose of earthing in mains electricity? a Reducing power loss b Safety against electric shock c Increasing efficiency d Enhancing voltage 10 Which device is used to measure mains voltage? a Ammeter b Wattmeter c Ohmmeter d Voltmeter
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