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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 watts listed on a light bulb indicate the amount of power it consumes per hour. To calculate the energy usage over a year, you would multiply the wattage by the number of hours the bulb is typically used per day, then by 365 days in a year.
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
Can you use a light plan bulb in place of reptile day bulb?
NO
What will happen on lighting a bulb during day?
If you light a bulb during the day, it will still produce light, but it will be less noticeable compared to when it is dark. The brightness of the bulb will be reduced due to the natural light from the sun, making it harder to distinguish the bulb's light during daylight hours.
Which day is the most meat consumed?
November 24th
How many snickers are consumed in a day?
interesting facts
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.
How many crepes are consumed in Paris everyday?
Approximately 162,937,222 crepes are consumed each day in Paris, Texas.
How do you use the Light bulb?
we use the light bulb in every day life
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
