電能量和電功率是什麼?watt和joules又是什麼?
回答 (1)
2008-11-20 5:48 am
✔ 最佳答案
Electrical power (電功率) is the rate of consumption of electrical energy (電能量).That is, electrical power = electrical energy consumed/time duration
The unit for electrical energy is [joule], and the unit for electrical power is [watt].
hence, 1 watt = 1 joule/sec
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