In a coaxial line the characteristic impedance is less than that of two wire lin

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Question
In a coaxial line
Options
A. the characteristic impedance is less than that of two wire line
B. the wave velocity is less than that of two wire line
C. both (a) and (b)
D. neither (a) nor (b)

Correct Answer

both (a) and (b)

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2. TM₀₁ mode in circular waveguide is analogous to
Options
A. TM₁₀ mode in square waveguide
B. TM₁₁ mode in square waveguide
C. TM₂₀ mode in square waveguide
D. TM₀₂ mode in square waveguide

3. In TE₁₀mode the largest electric field in a rectangular wave guide, occurs
Options
A. along centre line of broad wall (i.e. x = a/2)
B. along the broad wall (i.e. x = 0 and x = a)
C. either (a) or (b)
D. neither (a) nor (b)

4. In microwave system, waveguide twists
Options
A. change the plane of polarization of a propagating wave
B. change the direction of a propagating wave
C. change the mode of a propagating wave
D. both (b) and (c)

5. Assertion (A): In rectangular waveguide TE₀₁ mode is just TE₁₀ mode rotated by 90�.
Reason (R): When a rectangular waveguide is rotated by 90�, the broad and narrow dimensions get interchanged.
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. In a shield helix
Options
A. the spacing between adjacent turns is very large
B. the spacing between adjacent turns approaches zero
C. the spacing between adjacent turns approaches zero and wire thickness approaches zero
D. the spacing between adjacent turns is very large wire thickness approaches zero

8. Which of these statements is correct?
Options
A. Ridge guide is essentially a form of capacitively loaded guide.
B. Ridge guide is essentially a form of inductively loaded guide.
C. Ridge guide is essentially a form of resistively loaded guide.
D. Ridge guide has higher power handling capacity than rectangular waveguide.

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