The voltage reflection coefficient at the load end of a transmission line is
A. $$\frac{{\left| {{V_{\max }}} \right|}}{{\left| {{V_{\min }}} \right|}}$$
B. $$\frac{{\left| {{l_{\max }}} \right|}}{{\left| {{l_{\min }}} \right|}}$$
C. $$\frac{{\left( {{Z_R} - {Z_0}} \right)}}{{\left( {{Z_R} + {Z_0}} \right)}}$$
D. $${Z_0}\left[ {\frac{{\left( {{Z_R} - {Z_0}} \right)}}{{\left( {{Z_R} + {Z_0}} \right)}}} \right]$$
Answer: Option C
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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