MCQs in Antennas Part III - Answers

Below are the answers key for the Multiple Choice Questions in Antennas - MCQs Part 3.

101. increases sensitivity to weak signals

102. one-quarter wavelength

103. By installing a good ground radial system

104. Efficiency = (radiation resistance / total resistance) x 100%

105. adding a capacitor in series and reducing the physical length

106. The location of the antenna with respect to nearby objects

107. Beamwidth

108. Directivity gain

109. vertical antennas

110. acts as antenna array

111. Log-periodic

112. Horn

113. Protection of personnel working underneath

114. To prevent re-radiation of the local oscillator

115. Marconi

116. protection of personnel working underneath

117. Adding C in series

118. vertically polarized

119. Long wire

120. Electromagnetic

121. Diplexer

122. Vertical

123. Horizontal

124. Dipole

125. Yagi

126. Class A

127. 120 radials

128. Parabolic reflector

129. Telemetry

130. Eslun transformer

131. 32.4 inches

132. Field strength meter

133. 35

134. Radiation resistance

135. 73 ohms

136. Isotropic radiator

137. Ground

138. Trap dipole

139. End effect

Online Questions and Answers Series

Following is the list of multiple choice questions in this brand new series:

Antennas MCQs

PART 1: MCQs from Number 1 – 50                        Answer key: PART I

PART 2: MCQs from Number 51 – 100                   Answer key: PART II

PART 3: MCQs from Number 101 – 150                 Answer key: PART III

PART 4: MCQs from Number 151 – 200                 Answer key: PART IV

PART 5: MCQs from Number 201 – 250                 Answer key: PART V

PART 6: MCQs from Number 251 – 300                 Answer key: PART VI

PART 7: MCQs from Number 301 – 350                 Answer key: PART VII

PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII

PART 9: MCQs from Number 401 – 450                 Answer key: PART IX

PART 10: MCQs from Number 451 – 500                 Answer key: PART X

SEE: More Questions and Answers in Antennas

Complete List of MCQs in Communications Engineering per topic

Series of Multiple Choice Questions in Electronics Systems and Technologies

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