In: Physics
Construction point of view:- The main difference between RL & LC circuit is Resistor is absent in LC circuit.
Where as RLC circuit consists of both Resistor,Inductor & Capacitor components.
RL & LC circuits are compact in size when compared to that of RLC circuit.
Application point of view:- The Differnce mainly lies in the application over one another circuits.
RL,RC,RLC circuits acts as a filter circuits.(i.e., to remove unwanted frequency components from the signals)
RL circuits(Filter circuits) are used for high pass or low pass characteristics.RL circuits disappiate power due to
the presence of Resistor(R) in the circuit.
LC filters have no resistance,hence they don't disappiate power.Better characteristics can be obtained with LC
circuits.But inductors are always undesirable.For low frequencies,Inductors are usually large,heavy & have far
from ideal characteristics(very non-linear).High frequency inductors have more losses.
RLC filters are similar but they disappiate power due to Resitor in it.