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1. I have a 2v circuit that needs a variable capacitor. I been having a hard time finding what I need.?

Variable capacitors are in the pF range, not uF range. If you could find one, that would be a monster variable...

4 Answers · Science & Mathematics · 29/12/2018

2. If P=1000W, pf=0.8 (leading), and Vrms=220V, what is the overall impedance?

VA = Power / Power Factor = 1000 / 0.8 = 1250 VA @ 36.87° Z = (V)(V*)/VA = ((220 @0°)(220@-0°))/1250 @ 36.87° = 38.72 Ohms at -36.87° Hope this helps.

2 Answers · Science & Mathematics · 07/12/2017

3. Is a .001uF capacitor the same as a 1nF capacitor?

Yes. 0.001uF = 1nF = 1000 pF

4 Answers · Science & Mathematics · 28/11/2017

4. An FM radio station broadcasts at a frequency of 99.0 MHz .?

What inductance should be paired with a 7.00 pF capacitor to build a receiver circuit for this station resonance f = 1/(2π√(LC...

5 Answers · Science & Mathematics · 10/11/2017

5. Why didn't Nazi Germany have Mechanical Engineers back then...?

... into anything, Every thing around you has the hands pf a team of engineers in it. Hundreds of engineers work on...

2 Answers · Science & Mathematics · 18/07/2017

6. How to tell these 3 capacitors apart?

6.2- 30pF = green. 3- 10pF = white. Don't know about the 2- 5pF., but...

2 Answers · Science & Mathematics · 27/04/2017

7. Assuming i have a home that consume 3000W with power factor = 0.5 so should i buy 6000W inverter? since inverter gives power as (VA)not(W)?

... home uses electrical energy at a rate of 3,000 Watts with a pf of .5 then Volt-Amps = 3,000W/.5 = 6,000 VA. ...

2 Answers · Science & Mathematics · 03/09/2017

8. Give an example when leading or lagging current occurs in electric circuit?

Sounds like another assignment here. Lagging pf is caused by inductive loads such as motors and ...

2 Answers · Science & Mathematics · 29/03/2017

9. Why do I get a negative power factor reading on my Fan?

... cosine of any angle within the range of theta is positive, therefore the pf is always positive One possibility for the negative pf indication is...

3 Answers · Science & Mathematics · 17/01/2017

10. What is this old unknown Electronic part?

I found something similar in an old valve based oscilloscope. It turned out to be a string of diodes inside it. If it is high voltage then that may be the same. See if you can find a circuit diagram for it or a similar unit. It think it was...

3 Answers · Science & Mathematics · 06/02/2016