The VSWR of transmission line is directly proportional to

The VSWR of transmission line is directly proportional to:

1. Load and characteristic impedance
2. Voltage minimum and inversely proportional to voltage maximum
3. Load impedance and inversely to characteristic impedance
4. Characteristic impedance and inversely to load impedance

Correct answer: 3. Load impedance and inversely to characteristic impedance

Explanation: VSWR stands for Voltage Standing Wave Ratio.

Mathematically

VSWR = (1+Γ)/(1-Γ) = Z_L/Z_O