Questions

At what condition circuit behaves like a capacitive circuit?

At what condition circuit behaves like a capacitive circuit?

i) At resonance, admittance is minimum and equal to conductance, therefore current is minimum. ii) Below resonant frequency, the circuit behaves as inductive circuit and above resonant frequency, the circuit behaves as capacitive circuit.

How the inductive voltage and capacitive voltage are related in series LCR as circuit?

If XC>XL, ϕ is positive and the circuit is predominantly capacitive. Consequently, the current in the circuit leads the source voltage. If XC. Consequently, the current in the circuit lags the source voltage.

What is capacitive and inductive circuit?

Here’s a breakdown of these two loads: Reactive/Inductive Load – An inductive load converts current into a magnetic field. Inductive reactance resists the change to current, causing the circuit current to lag voltage. Capacitive reactance resists the change to voltage, causing the circuit current to lead voltage.

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How a LCR circuit behaves as a capacitive circuit?

1. If XL>Xc, then tan∅>0 in this case, the voltage leads the current, and the LCR circuit is said to be an inductive circuit. 2. If XLleads the voltage, and the LCR circuit is said to be a capacitive circuit.

What is quality factor of LCR circuit?

Q-factor: In LCR Circuit, the ratio of resonance frequency to the difference of its neighbouring frequencies so that their corresponding current is 1/2 times of the peak value, is called Q-factor of the circuit. Formula: Q=R1CL.

How do you determine if the circuit is capacitive or inductive?

If both inductors and capacitors are present then simply find the equivalent impedance of the load network. If the imaginary part of the equivalent impedance is positive then the load is inductive, if it is negative then it is capacitive, and if it is zero then it is resistive.

When the inductive and capacitive reactances are equal?

When the inductive and capacitive reactances are equal, a number of things happen: This condition is known as resonance. Both the inductive and capacitive reactances depend on frequency, with the inductive reactance proportional to frequency and the capacitive reactance inversely proportional to frequency.

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How do you know if its capacitive or inductive?

How does a series inductance capacitance circuit behave when inductive reactance is greater than capacitive reactance?

If the inductive reactance is greater than the capacitive reactance i.e XL > XC, then the RLC circuit has lagging phase angle and if the capacitive reactance is greater than the inductive reactance i.e XC > XL then, the RLC circuit have leading phase angle and if both inductive and capacitive are same i.e XL = XC then …