Yahoo Answers: Answers and Comments for Computation of inductive loads? [Engineering]
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From scram!!!!
enCA
Sun, 22 Oct 2006 23:07:32 +0000
3
Yahoo Answers: Answers and Comments for Computation of inductive loads? [Engineering]
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https://ca.answers.yahoo.com/question/index?qid=20061022230732AApQwAX
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From Barrie66: Previous is correct other than that a fluoresc...
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Mon, 23 Oct 2006 13:38:52 +0000
Previous is correct other than that a fluorescent lamp is connected to a choke. Therefore there is PF to be taken into consideration.
Generally, a fluorescent choke has a PF of .8 (nominal) therefore the above answer has to be divided by .8 to get the VA of the circuit.
Answer .2275A.

From raven170806: Well, to solve your example, you could use the...
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Mon, 23 Oct 2006 01:08:05 +0000
Well, to solve your example, you could use the following equation:
P=I*V
P=power (in Watts, W)
I= current (in Amperes, A)
V=voltage drop across element (in Volts, V)
For a 40W light bulb at 220V supply, the current is .182A.
Or....
Another important equation is Ohm's Law.
V=I*R
V and I same as above
R is resistance (in Ohms)
Those two equations should get you through most basic circuits. Also, consult Kirchhoff's Loop Laws as needed. Hope this helps. Good luck!