The I/P impedance (Zi) and the O/P impedance (Zo) of an ideal trans conductance (Voltage controlled current source) amplifier are

• A. Zi = 0, Zo = 0
• B. Zi = 0, Zo = ∞
• C. Zi = ∞, Zo = 0
• D. Zi = ∞, Zo = ∞