4. (20 points). As discussed in the class activities, select using Canvas the answer (i.e. A, B, C, or D) below that best represents the numerical values of each field region

when a line source is 17 centimeter long, the wavelength is 47 centimeters, and operating in free space. A. R₂ = 6.0 cm, Rf = 250 cm c. R₂ = 7.5 cm, Rf = 30 cm B. R₂ = 30 cm, Rf = 250 cm D. R₂ = 7.5 cm, Rf = 85 cm 5. (20 points). Given a z-travelling field of {((1+1j)e¯jkz) x + ((1 - 1j)e-jkz)}, select using Canvas the answer (i.e. A, B, C, or D) below that has a polarization nearest to the polarization of the given field. A. RH-Circular or RH-Elliptical C. Indeterminate B. LH-Circular or LH-Elliptical D. Linear