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One end of a loss-less transmission line having the characteristic impedance of $75 \; \Omega$ and length of $1 \mathrm{~cm}$ is short-circuited. At $3 \; \mathrm{GHz}$, the input impedance at the other end of the transmission line is

1. $0$
2. Resistive
3. Capacitive
4. Inductive