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40 W is the power in this case. Whether you have it on a second, or 24 hours, the power will always be 40 W. Now, if it is actually the energy you want to calculate, multiply the power by the time to get the energy. In units:
watts x seconds = joules
or:
kilowatts x hours = kWh
What else can I help you with?
Does a light bulb use the watts listed in a year or a day?
The watt is a unit of power and power is consumed/dissipated instantaneously and continuously. In other words the watts are used now.Power consumed over a period of time is energy. The most common unit of energy used in the electrical field is the kilowatt-hour. But one could also use a unit of watt-year (8.76 kilowatt-hours) or watt-day (0.024 kilowatt-hours) if one wanted to.
An electric bulb of 100w works for 6 hrs a day calculate the unit of energy consumed in 1 month of 30 days?
0.6kwh x 30 = 18kwh
How much oil is consumed in a day in the world?
Eighty-four million barrels of oil are consumed in the world each day as of 2005, a quarter of which is consumed by the U.S.
How much energy in kilowatt hour is consumed in operating 50w bulb for 10 hours per day iHow much energy in kilowatt hour is consumed in operating 50W for 10 hours per day in a month?
50 W * (1 kW/1000 W) * (10 hr/day) = 0.5 kW-hr/dayAssuming 30 days/mo.--> 0.5 kw-hr/day*(30 day/month) = 15 kW-hr/month
How much does it cost to run a 100 watt led bulb for 10 hrs a day?
To calculate the cost of running a 100-watt LED bulb for 10 hours a day, first determine the energy consumed: 100 watts x 10 hours = 1,000 watt-hours or 1 kilowatt-hour (kWh). If the cost of electricity is, for example, $0.12 per kWh, then running the bulb would cost about $0.12 per day. Over a month, this would amount to approximately $3.60.
What will happen on lighting a bulb during day?
A normal light bulb will light up in exactly the same way, using exactly the same amount of power and giving exactly the same amount of light whenever you light it. The only difference is, if you light the bulb in a dark place, or at night, it will brighten the dark area. If you light the bulb in an already bright place, or in daylight, it won't change the ambient brightness: it'll just waste power.
Can you use a light plan bulb in place of reptile day bulb?
NO
How much electricity do you use in one day?
The amount of electricity used per day is measured by the watt-hour meter.The electricity consumed depends on the following factors:-Power Factor(p.f) of the load.Amount of load.
Which day is the most meat consumed?
November 24th
How many snickers are consumed in a day?
interesting facts
How long is 1mega wots?
all day long it is a measure of power 100 watts is a light bulb 1,000,000 watts is a mega watt used to describe power plants or electrical substation
How many crepes are consumed in Paris everyday?
Approximately 162,937,222 crepes are consumed each day in Paris, Texas.
