To equalize the sending and receiving end voltages, impedance is connected at the receiving end of a transmission line having the following ABCD parameters A = D = 0.9 ∠0° B = 200 ∠90° Ω The impedance so connected would be
1
1000 ∠0° Ω
2
1000 ∠90° Ω
3
2000 ∠90° Ω
4
2000 ∠0° Ω