Three appliances are connected in parallel to a domestic supply: an electric kettle rated

PHYSICS · Multi-part · CBSE · Physics · Electricity · Electricity

Problem

Three appliances are connected in parallel to a 220 V220\,\text{V} domestic supply: an electric kettle rated 1000 W1000\,\text{W}, a refrigerator rated 500 W500\,\text{W} and a ceiling fan rated 60 W60\,\text{W}. Answer the following: (i) Calculate the current drawn by each appliance while in use. (ii) Determine the total current supplied by the mains when all three appliances operate together. (iii) The lighting circuit of the house is fitted with a fuse. Suggest a suitable current rating for this fuse and justify your choice.

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