31. MUF is depend upon A. Electron density of the ionospheric layer B. 11 year sun spot cycle C. Received frequency by receiver D. Height of ionospheric layer 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
32. The radiation pattern of loop antenna is A. Circle B. Semicircle C. Elliptical D. Cardoid or Limacon 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
33. When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon A. The value of current B. The weight of the conductor C. The direction of the conductor D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
34. If a and b are the dimensions of waveguide then A. a = 3b B. a = 2b C. a = b D. $${\text{a}} = \frac{{\text{b}}}{4}$$ 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
35. When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . A. Reflection B. Refraction C. Transmission D. None of the above 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