Electromagnetic Field Theory - Practice Test

(A) β = 17.58 rad/m, V P = 1.43 × 10 8 m/sec

(B) β = 8.79 rad/m, V P = 2.85 × 10 8 m/sec

(C) β = 5.56 rad/m, V P = 4.52 × 10 8 m/sec

(D) β = 170 rad/m, V P = 1.47 × 10 8 m/sec

(A) β = 17.58 rad/m, V P = 1.43 × 10 8 m/sec

(A) Single stub

(B) Double stub

(C) Single stub with adjustable position

(D) Quarter wave transformer

(B) Double stub

(A) longest cutoff wavelength

(B) shortest frequency

(C) infinite attenuation

(D) zero attenuation

(A) longest cutoff wavelength

(A) $$frac{{{q^2}}}{{{r^2}}}$$

(B) $$frac{q}{{{r^2}}}$$

(C) $$frac{q}{{4pi {r^2}}}$$

(D) $$frac{q}{{4{pi ^2}{r^2}}}$$

(C) $$frac{q}{{4pi {r^2}}}$$

(A) The effective area of the electrode is reduced

(B) A local positive change is built up in the electrolyte, which repels the positive hydrogen ions away from the copper electrode

(C) A gas of hydrogen collects around the zinc stopping the conduction

(D) Both A and B

(D) Both A and B

Electromagnetic Field Theory - Study Mode