the impedance Z in an AC circuit is given by

Options

A. `Z=sqrt(R^(2)+(X_(C)-X_(L))^(2))`
B. `Z=sqrt(R^(2)+3(X_(L)-X_(C))^(2))`
C. `Z=sqrt(R^(2)-(X_(C)+X_(L))^(2))`
D. `Z=sqrt(R^(2)+2(X_(L)-X_(C))^(2))`

Answer

A

Explanation

Here, impedence, `Z=(R^(2)+(X_(C)-X_(L))^(2))^((1)/(2))`