In a shield helix the spacing between adjacent turns is very large the spacing b

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Question
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

Correct Answer

the spacing between adjacent turns approaches zero and wire thickness approaches zero

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3. 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

4. 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)

5. 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)

7. 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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