The magnitude of reflection coefficient is:
A. $$\left| \rho \right| = \frac{{{{\text{v}}_{\max }}}}{{{{\text{v}}_{\min }}}}$$
B. $$\left| \rho \right| = \frac{{\left( {{\text{VSWR}} - 1} \right)}}{{\left( {{\text{VSWR}} + 1} \right)}}$$
C. $$\left| \rho \right| = \frac{{\left( {{\text{VSWR}} + 1} \right)}}{{\left( {{\text{VSWR}} - 1} \right)}}$$
D. $$\left| \rho \right| = \frac{{\left| {{{\text{v}}_{\text{i}}}} \right|}}{{\left| {{{\text{v}}_{\text{r}}}} \right|}}$$
Answer: Option B
A loop antenna is a commonly used for
A. Radar
B. Direction finding
C. Satellite communication
D. All of the above
The divergence of a vector is a scalar, while the curl of a vector is another
A. Scalar
B. Vector
C. Unit vector
D. None of the above
Which antenna is a wideband antenna?
A. Hertz antenna
B. Marconi antenna
C. Folded dipole
D. None of the above
A. Accelerating
B. Retardation
C. Oscillating
D. Lagging the current

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