Microwave Communication MCQ Questions & Answers | ECE

A. To ensure bunching

B. To improve the phase-focusing effect

C. To prevent mode jumping

D. To prevent cathode back heating

A. 5 cm

B. 10 cm

C. 15 cm

D. 9 cm

A. Reciprocal, matched

B. Non reciprocal, unmatched

C. Non reciprocal, matched

D. Reciprocal, unmatched

A. Has a lower input impedance

B. Can measure a.c. signals only

C. Provides a method of inductive coupling

D. All of the above

A. It is a microwave detector

B. It is microwave mixer diode

C. It is preferred as a microwave switch

D. It is a metal semiconductor

A. Filter

B. Detector

C. Directional coupler

D. Magic tee

A. Hole and slot

B. Slot

C. Vane

D. Rising sun

A. TE₁₀ mode only

B. TE₁₀ and TE₂₀ modes only

C. TE₁₀, TE₂₀ and TE₀₁ modes only

D. TE₁₀, TE₂₀, TE₀₁ and TE₁₁ modes

A. High power-handling capability and low loss

B. Thin dielectric substrate

C. Low power handling and adequate stability

D. Positive phase shift

A. Low power handling capacity

B. High noise

C. Low efficiency

D. Inability to provide pulsed operation