WebThe formula is heat produced = voltage squared divided by resistance. In the question he found out the heat as 4 joule per second and then as given voltage was equal to 2 volts. Simply apply the formula. Comment ( 2 votes) Upvote Downvote Flag more Show more... braylon.410479 a year ago I love this video, good points Answer • Comment ( 1 vote) WebFurthermore, watts (W) and megawatts (MW) are units of power. 1 watt is one million times smaller than a megawatt. Therefore, to convert 855.7 W to MW, you divide W by one million (10⁶) to convert it to MW. Below is the W to MW formula and the math with the answer showing you how to convert 855.7 W to MW. W ÷ 10⁶ = MW 855.7 ÷ 10⁶ = 0. ...
Watt - Wikipedia
WebMar 31, 2024 · If you multiply the number of watts by the number of seconds, you'll end up with joules. To find out how much energy a 60W light bulb consumes in 120 seconds, simply multiply (60 watts) x (120 seconds) = 7200 Joules. This formula works for any form of power measured in watts, but electricity is the most common application. WebWatts calculation. The power P in watts (W) is equal to the voltage V in volts (V) times the current I in amps (A): The power P in watts (W) is equal to the squared voltage V in … thaimassage visy brod
Power - Physics Classroom
WebAnswer- We can find out the power which we require from the battery by applying the electric power formula. Thus, we will have: P = VI. P = (12.0 V) (0.9 A) P = (12.0 J/C) … WebThis formula only estimates average power, and is based on a modified falling body equation. The original formula used the units of kg·m·sec.-1. To convert it to Watts, the standard unit for Power, the factor of 9.81 has been added. Average Power (Watts) = √ 4.9 x body mass (kg) x √ jump-reach score (m) x 9.81 . Example WebAC single phase watts to amps calculation formula The phase current I in amps (A) is equal to the real power P in watts (W), divided by the power factor PF times the RMS voltage V in volts (V): I(A) = P(W) / ( PF × V(V) ) So amps are equal to watts divided by power factor times volts. amps = watts / ( PF × volts) or A = W / ( PF × V) Example thai massage voorhout