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How to convert Watts to Joules: The energy E in joules (J) is equal to the power P in watts (W) times the time period t in seconds (s): P_{(W)} * t_{(s)} |
NOTE: It is possible to calculate joules from seconds and watts, but you cannot convert watts to joules since watt and joule units represent different quantities.Watts to Joules calculation formula The energy E in joules (J) is equal to the power P in watts (W) times the time period t in seconds (s): E_{(J)} = P_{(W)} * t_{(s)} So Joules = Watts * Seconds or J = W * s ExampleFind the energy consumption of an electrical circuit that has a power consumption of 30 watts given a time duration of 3 seconds? E_{(J)} = 30W * 3s = 90J |
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