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Impedance in L-C-R series circuit is a …...

Impedance in L-C-R series circuit is a ……... number. Its value is given by ……..

A

real number , `R+j(Z_L +Z_C)`

B

complex number, `R+j (X_L -X_C)`

C

complex number , `R+j (Z_L +Z_C)`

D

complex number , `sqrt(R^2+(X_L-X_C)^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`Z=R+Z_L +Z_C`
`=R+jomegaL-j/(omegaC)`
`=R+j (omegaL -1/(omegaC))`
`therefore Z=R+j (X_L -X_C)` which is complex number
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