- related to: PF
I assume you're referring to power factor in the operation of power systems. In a power system the load is the customer and the power plant is the provider. The load (customer) usually demands power at a power factor of <1. This is...
2 Answers · Science & Mathematics · 25/11/2013
In order to answer this question, we'll need a few more details. What type of oscillator is it? What is the value of the inductor in the tank circuit? What type of transistor is being used? What collector current is it...
2 Answers · Science & Mathematics · 11/11/2010
no, the resistance is not part of it. use f = 1/(2π√(LC)) .
1 Answers · Science & Mathematics · 03/12/2009
Parallel plate cap C = ε₀εᵣ(A/d) in Farads ε₀ is 8.8542e-12 F/m εᵣ is dielectric constant (vacuum = 1) A and d are area of plate in m² and separation in m according to various...
1 Answers · Science & Mathematics · 20/07/2010
It most likely is. 1000pF is VERY small (1,000,000,000,000pF = 1F), and generally, when dealing with a set size and type, the lower the capacitance the higher the voltage it can handle.
3 Answers · Science & Mathematics · 23/04/2013
a) times 5 b) x 4 x 5 c) x 2.2 x 6 x (1/2) Parallel plate cap C = ε₀εᵣ(A/d) in Farads ε₀ is vacuum permittivity, 8.854e-12 F/m εᵣ is dielectric constant or relative permittivity of the material (vacuum = 1...
3 Answers · Science & Mathematics · 04/08/2013
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
You have to define these terms, they could have dozens of different meanings.
1 Answers · Science & Mathematics · 26/10/2012
More info is needed. What voltage and frequency and what are you trying to do? Compensate a leading power factor to unity power factor?
1 Answers · Science & Mathematics · 25/01/2012
Any power factor of < 1 (either leading or lagging) is undesireable because it represents volts and amps being used to transmit reactive power which causes losses and uses capacity in the system but...
1 Answers · Science & Mathematics · 31/03/2011