How to convert energy in joules (J) to electric power in watts (W).You can calculate watts from joules and seconds, but you can't convert joules to watts, since joule and watt units represent different quantities.Joules to watts calculation formulaThe power P in watts (W) is equal to ...
Amp to Watt conversion: Learn how to calculate watts from volts and amps in both DC and AC circuits. Understand the impact of power factor & reactance on the calculation.
It is measured in units called joules. Watts However, when it comes to electrical appliances, the term we encounter more often is 'watt', named after the Scottish engineer James Watt. A watt is a measurement of power, or the rate at which energy is consumed or generated over time. In ...
What is the object's potential energy (in joules) at this height? Round your final answer to two decimal places. How do you convert 7.03 cm to nm? If the initial velocity of a car is 14.62 meters per second and its final velocity is 45.46 meters per secon...
How to convert 75,000 volts to heat in joules? An electric kettle has a power of 1.2 kW. How long will it take to heat 3 kg of water to the from 20 deg C to 100 deg C? Calculate the watts equivalent of 22 kilocalories consumed in 24 hours. ...
Where P is the power in watts (or joules per second), V is the potential difference in volts, and I is the current in amperes. Power can also be expressed in volt-amperes and horsepower (HP), with the latter often used in everyday engines such as those in motor vehicles. 1 HP is...
Most air conditioners have their capacity rated in British thermal units (Btu). A Btu is the amount of heat necessary to raise the temperature of 1 pound (0.45 kilograms) of water one degree Fahrenheit (0.56 degrees Celsius). One Btu equals 1,055 joules. In heating and cooling terms, one...
in this manner, but is usually calculated in terms of how much energy the object expends to move itself. The unit used to describe energy depends on the system of measurement used and the type of object. Watts, joules, calories and volts are all units of energy that cause some sort of...
A phone's charging capability is defined in watts (W) A smartphone's charging capability is typically defined by the highest wattage supported by it. Electric power is the rate at which electric energy is transmitted, and it's expressed in watts (W) or joules per second (J/s). ...
An energy-efficient lamp rated at 10 watts uses 10 joules of energy every second (because 1 watt means using one joule per second), so it would take it 37,800 seconds—about 10.5 hours—to use as much energy as our kettle uses in a single boil!