A quiz covering UK mains electricity, wiring, safety features, and power calculations. Test your knowledge with this interactive quiz on GCSE Physics…
10 questions • Zestly
• A device is connected to the UK mains supply. What are the standard values for the potential difference and frequency of this supply?
• Which of the following statements correctly describe the characteristics of alternating current (AC) and direct current (DC)?
• In a standard UK three-core cable, which wire color is correctly matched to its function?
• Why is the live wire considered dangerous even when a switch is turned off?
• Which of the following safety features are designed to protect users from electric shock in appliances with metal casings?
• An appliance has a power rating of 2300 W and is connected to a 230 V supply. What is the current flowing through the appliance?
• A heater transfers 46,000 J of energy in 200 seconds. What is the power of the heater?
• Which of the following statements accurately describe the function of the neutral wire and the earth wire?
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