Assertion (A): Hollow waveguides are frequently used as transmission lines at mi

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Question
Assertion (A): Hollow waveguides are frequently used as transmission lines at microwave frequencies.
Reason (R): Waveguide has high power handling capacity, low loss and simple structure.
Options
A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct

Correct Answer

Both A and R are correct and R is correct explanation of A

More questions

3. Assertion (A): Inter-digitated geometry is widely used for microwave transistors.
Reason (R): Tuning at input and output of transistor uses MOS chip capacitors.
Options
A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct

6. A line has Z₀ = 300 ? 0� ?. If Z_L = 150 ? 0� ?, reflection coefficient is
Options
A. 0.5
B. 0.3333
C. -0.3333
D. -0.5

8. In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors
Options
A. must be isolated
B. may or may not be isolated
C. should be preferably, isolated
D. should not be isolated

9. In a ripple counter,
Options
A. whenever a flip flop sets to 1, the next higher FF toggles
B. whenever a flip flop sets to 0, the next higher FF remains unchanged
C. whenever a flip flop sets to 1, the next higher FF faces race condition
D. whenever a flip flop sets to 0, the next higher FF faces race condition

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