Top 80+ Solved Antennas and Microwave Engineering MCQ Questions Answer

a. true

b. false

a. vector superposition of individual field from the element

b. maximum field from individual sources in the array

c. minimum field from individual sources in the array

d. field from the individual source

a. broad side

b. end-fire

c. yagi-uda

d. fishbone antenna

a. 0

b. 90 c) 180

a. field pattern is the product of individual elements in array

b. field pattern is the sum of individual elements in array

c. resultant field is the vector superposition of the fields from individual elements in array

d. high directivity can be achieved for long distance communications

a. power amplifiers

b. oscillators

c. transistors

d. attenuators

a. efficiency

b. gain

c. thermal effect

d. all of the mentioned

a. true

b. false

a. increases

b. decreases

c. increases exponentially

d. decreases exponentially

a. class a amplifiers

b. class b amplifiers

c. class c amplifiers

d. none of the mentioned

a. 1

b. 2

c. 4

d. 6

a. class a, b, c

b. class c, a, b

c. class b, a, c

d. efficiency of all the 3 amplifiers is the same

a. true

b. false

a. 25%

b. 50%

c. 75%

d. 35%

a. 400 mw

b. 225 mw

c. 229 mw

d. 240 mw