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An electric heater rated 1000 W is used for 5 hours daily. For cost per unit of ₹6.00,calculate the total cost for running the device for the month of September (in ₹)?

A900

B500

C180

D150

Answer:

A. 900

Read Explanation:

  • Energy consumed per day = 1000W * 5 hours = 5000 Wh = 5 kWh

  • Number of days in September = 30

  • Total energy consumed in September = 5 kWh/day * 30 days = 150 kWh

  • Total cost = 150 kWh * ₹6.00/kWh = ₹900


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