Can any one define susceptance?
I have seen in wiki susceptance is the imaginary of admittance. but its not a clear definition for suscep.
The reactance is the opposition of change of voltage and current through a element, such that how to difine susceptance?
The reactance is the opposition of change of voltage and current through a element, such that how to difine susceptance?
Replies

lovejeetWhile reactance is the measure of how much a circuit reacts against change in current over time, susceptance is the measure of how much a circuit is susceptible to conducting a changing current. susceptance is the reciprocal of reactance, thats it, susceptance= 1/reactance. Is it clear now??

pugazh anand
okay you are saying reactance is reciprocal of susceptance. but the relation between them is [B(suscep)=X(react)/z2(imp)] than how can you say it is reciprocal. am i clear my point?lovejeetWhile reactance is the measure of how much a circuit reacts against change in current over time, susceptance is the measure of how much a circuit is susceptible to conducting a changing current. susceptance is the reciprocal of reactance, thats it, susceptance= 1/reactance. Is it clear now?? 
Jeffrey ArulrajWell the Magnitude of B may be equal to X/Z^2 But but the actual relation
How where did that expression come From? the Inverse of Impedance relation right Then Magnitude wise this relation is good. 
lovejeet@#LinkSnipped# susceptance is acutally the imaginary part of Admittance. can you please derive that expression you mentioned, so that it would be more clear in its perspect.

lovejeetReactance and susceptance depend on the frequency, for dc the frequency is 0. that's why no reactance. Even your circuit include L and C, it has no reactance in DC.
capacitor reactance Xc=1/(2 pi *f* c);
capacitor susceptance Bc = 1/Xc;
Inductor reactance XL=2 pi f L;
inductor susceptance BL = 1/XL;
But in AC, it may combine all together and from complex number. Resistance (conductance) provide real parts and capacitor or inductor reactance (susceptance) provide imaginary parts. look like
Z(impedance)= R(resistance) + jX(reactance)
Y(admittance)=G(conductance)+jB (susceptance)
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