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Impedance and Admittance(2)Judge the external properties of a network based on the impedance or admittance.-+Lj XUIRinductiveZZ=IYU=0X Z00B Y0jRX=+UZI=YY=jGB=+capacitive-+Cj XUIR0X Z00B Y0ZZ=jRX=+UZI=IYU=YY=jGB=+resistive=0XZ=0=0BY=0ZZ=jRX=+UZI=IYU=YY=jGB=+-+UIRPractice problem:In which case does the port of the circuit show inductance to the external circuit?-+j LUIR1jCAnswer:AA1LCB1LCC1=LC