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Energy Consumption Formula

Energy consumption is the use of power or energy of a system by making use of supply. The consumption is done in Giga Joule per year, kilograms of oil equivalent per year (kg/a) and in Watts.

The energy consumption formula is articulated as,

Where,
E is energy in kilowatt-hours(kWh),
P is power in Watts,
t is hours per day.

Energy  Consumption Solved Problems

Here are some cracked examples based on Energy Consumption:

Problem 1: Compute the energy consumption in a system that consumes 190 Watts of power and works for 3 hrs a day.

Answer:
Given: Power P = 190 W, th/day = 3 hrs

Therefore, the energy consumption is 2052J

Problem 2: A toy car consumes energy of 500 Watts of power if it works for 2 hrs a day using it. Calculate the energy consumption a day.

Answer:

Given: Power P = 500 W, th/day = 2 hrs