0
What else can I help you with?
What two factors determine the capacitive reactance of a capacitor?
The two factors that determine the capacitive reactance of a capacitor are the frequency of the alternating current passing through the capacitor and the capacitance value of the capacitor. Capacitive reactance (Xc) is inversely proportional to the frequency (f) and directly proportional to the capacitance (C), as calculated using the formula Xc = 1 / (2πfC).
What factors affect the reactance of a capacitor?
Reactance (in ohms) = 1/(2 pi * capacitance * frequency). Capacitance is in farads. Frequency is in Hertz (cycles/second). So increasing capacitance or increasing frequency will decrease reactance.
What is difference in resistance and reactance?
Resistance is a concept used for DC. the current through a resistance is in phase with the applied voltage Reactance is used for AC the current through a inductive reactance lags the applied voltage by 90 degrees. the current through capacitive reactance leads the applied voltage by 90 degrees. the net reactance is the difference between inductive and capacitive reactance
What two facctors determine the capacitive reactance of a capacitor?
The two factors that determine the capacitive reactance of a capacitor are the frequency of the AC voltage applied to the capacitor and the capacitance value of the capacitor. At higher frequencies and with larger capacitance values, the capacitive reactance decreases.
A resistance of 10 ohm is in series with an inductance of 0.5H what capacitance should you put in series to obtain maximum current?
That depends on the frequency of the alternating current that you want the circuit to pass.If it's to be DC, then any series capacitance will stop the current completely. DC doesn't passthrough a capacitor.If it's to be AC, then you need a 'C' that will cancel the reactance of the 'L'.Reactance of the 'L' = 2 pi f L = pi f, where ' f ' is the frequency of the voltage across the circuit.Reactance of a 'C' will be = - 1/(2 pi f C)You want 1/(2 pi f C) = pi fMultiply each side by (2 pi f C):1 = 2 pi2 f2 CDivide each side by (2 pi2 f2):C = 1/(2 pi2f2)That's the capacitance you need, to make a 'series-resonant' circuit and maximize the current,for the frequency of ' f '.
Is a capacitor sensitive to frequency?
yes, capacitive reactance is inversely proportional to frequency.
Does the impedance of an RL series circuit varies inversely with the frequency?
The simple answer is no. The impedance of an R-Lcircuit is the vector sum of the circuit's resistance and its inductive reactance. Resistance is determined by the length, cross-sectional area, and resistivity of the conductor (although its 'a.c. resistance' is proportional to the frequency squared), whereas the inductive reactance is directly proportional to the frequency of the supply.
When the frequency of an applied voltage is increased the capacitive reactance of a circuit will?
Since capacitive reactance is inversely-proportional to the supply frequency, as the frequency is increased, the reactance will decrease.
The reactance of a capacitor is proportional to?
inverse of frequencyAnswerReactance is inversely-proportional to frequency of the supply, and the capacitance of the capacitor.
What is inductive reactance-?
There is no such term as 'inductance reactance'; the correct term is 'inductive reactance'. This is the opposition to the flow of a.c. current, due to the inductance of the load, and the frequency of the supply, and is measured in ohms.Inductive reactance is directly proportional to both the supply frequency and the load's inductance.
What two factors determine the capacitive reactance of a capacitor?
The two factors that determine the capacitive reactance of a capacitor are the frequency of the alternating current passing through the capacitor and the capacitance value of the capacitor. Capacitive reactance (Xc) is inversely proportional to the frequency (f) and directly proportional to the capacitance (C), as calculated using the formula Xc = 1 / (2πfC).
Is AC increased as frequency is increased?
It depends on the nature of the load.For inductive loads, the current will fall, because inductive reactance is directly-proportional to frequency.For capacitive loads, the current will increase, because capacitive reactance is inversely-proportional to current.For resistive loads, there will be very little change in current unless the frequency is changed substantially. This is because, at higher frequencies, the 'a.c. resistance', due to the 'skin effect', will increase.
Does any capacitor block ac?
It is the capacitive reactance of a capacitor that causes it to oppose the passage of a.c. current. Since capacitive reactance is inversely-proportional to frequency, the lower the frequency, the greater its reactance, and the more it will oppose the flow of a.c.
Why capacitor will not block ac source?
A capacitor will oppose the flow of a.c. due to its capacitive reactance (Xc), expressed in ohms.The capacitive reactance for a given capacitor is inversely-proportional to the frequency of the supply; in other words, the higher the frequency, to lower the capacitive reactance.
What is electrical impendance?
Impedance (Z) is the vector sum of a circuit's resistance (R) and reactance(X), is expressed in ohms, and is the total opposition to current in an a.c. circuit.Resistance, expressed in ohms, depends upon the length, cross-sectional area, and resistivity of the conductor.Reactance, expressed in ohms, can be inductive reactance (XL), capacitive reactance(XC), or a combination (vector sum) of the two.Inductive reactance is directly proportional to the circuit's inductance and the supply frequency.Capacitive reactance is inversely proportional to the circuit's capacitance and the supply frequency.
How do you write out an equation used to find the inductive reactance ant the capacitive reactance?
Xc(capacitive reactance) = 1/(2piFC)XL(inductive reactance) = 2piFLWhere pi=3.14etc.,F=frequency and C and L are capacitance and inductance.Please pardon lack of proper symbology.
Does reactance increase with an increase in inductance?
Inductive reactance case of ac) is equivalent to resistance (in case of dc) for inductors.So if resistance increases current decreasesas well as if inductive reactance increases current decreases
