46. A waveguide operated below cut off frequency can be used as A. Phase shifter B. An attenuator C. An isolator D. None Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
47. The wave in wave guide has A. Group velocity inversely proportional to wavelength B. Larger frequency than in the free space C. Diminishing wavelength than in the free space D. Larger wavelength than in the free space Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
48. Radiation intensity in a given direction is the A. Energy radiated per square metre B. Power radiated per square metre C. Power radiated per unit solid angle in that direction D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
49. Which of the following impedance inversion is obtained? A. Short-circuited stub B. A quarter wave line C. Balun transformer D. A half wave line Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
50. When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. A. Yes B. No Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
