Recent content by Jay Spark
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J
True Power Calculations
I'll mate yah just passed my 302 exam last month, it is quite hard to be fair, make sure you revise on motors, lighting and this kind of thing with power in A.C Circuits. But yh Your answer is similar to mine only thing I've done different is is I divided 400 by the resistance rather than the...- Jay Spark
- Post #19
- Forum: UK Electrical Forum
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J
True Power Calculations
Kl I'm currently just finishing my C&G Level 3 2365, To work this out the formula would be P= V x I x pf x 1.73 (square route of 3) So first I would work out your impedanance Z = square route of R2 + XL2 which is 50 ohms Then get the power factor which is R\Z. 40/50 = 0.8 Next you need the...- Jay Spark
- Post #9
- Forum: UK Electrical Forum
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J
True Power Calculations
- Jay Spark
- Post #7
- Forum: UK Electrical Forum
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