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nikitadnepr [17]
3 years ago
10

What can you say about the impedance of a series RLC circuit at the resonant frequency? The impedance of a series RLC circuit is

maximum in magnitude at the resonant frequency and is equal to the resistance.
Physics
2 answers:
Svet_ta [14]3 years ago
7 0

Answer:

At resonance impedance of series RLC circuit is minimum and equal to resistance of the circuit

Explanation:

Let the resistance of the series RLC circuit is R

Capacitive reactance of the circuit is X_C and inductive reactance of the circuit is X_l

We know that impedance of the series RLC circuit is given by Z=\sqrt{R^2+(X_L-X_C)^2}, here R is the resistance X_l is inductive reactance and X_C is capacitive reactance

At resonance capacitive reactance will be equal to inductive reactance

So X_C=X_l

So impedance will become Z=R

So from above calculation we can say that impedance of series RLC circuit is minimum and equal to resistance of the circuit

Katyanochek1 [597]3 years ago
6 0

Answer:

Explanation:

Let R is the resistance of the circuit, L is the inductance of the circuit and c is the capacitance.

Inductive reactance= XL

capacitive reactance = Xc

The impedance of the RLC circuit is

Z=\sqrt{R^{2}+\left ( X_{L}^{2}-X_{C}^2 \right )}

As the circuit is in resonance, So, XL = Xc

In this condition, Z = R

So, the impedance is equal to the resistance of the circuit.  

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