Question
a.
more than ∈r
b.
equal to 1
c.
less than ∈r
d.
either a or b
Posted under Electronics and Communication Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. A microstrip line has dielectric having relative permittivity ∈r. The effective dielectric constant is
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. Oscillations are obtained from a reflex klystron only for combinations of anode voltage and repeller voltage that give a favourable transit time.
View solution
Q. The noise figure of klystron amplifier is about
View solution
Q. Which one of the following is true for EM wave propagation through rectangular waveguide of cross-section 2a x a
View solution
Q. In 8 cavity magnetron the π mode corresponds to a total phase shift equal to
View solution
Q. Satellite communication systems use the frequency band
View solution
Q. The characteristic impedance of a cable is about
View solution
Q. A TR (transmitter receiver) tube has
View solution
Q. A microwave connector should have high SWR.
View solution
Q. Assertion (A): A small section of high impedance line is equivalent to a series inductance.
Reason (R): A small section of a low impedance line is equivalent to a series resistance.
View solution
Q. Assertion (A): Bolometer is frequently used in microwave power measurement.
Reason (R): In a bolometer the input microwave power causes a change in resistance.
View solution
Q. The radiation resistance of a doublet antenna of length dl is proportional to
View solution
Q. Which of the following statements is not correct regarding modes of electromagnetic energy transmission?
View solution
Q. The usable bandwidth of ridge wave guide
View solution
Q. Assertion (A): In TE mode for rectangular waveguide.
Reason (R): In TM mode for rectangular waveguide.
View solution
Q. The attenuation characteristics of a loaded line is similar to that of
View solution
Q. A microstrip line has ∈r = 9. The normalised wavelength (λ/λ₀) is about
View solution
Q. If the repeller voltage in a klystron oscillator is increased the transit time of electron
View solution
Q. When duct propagation exists
View solution
Q. If in line G/C = R/L, the characteristic impedance becomes real.
View solution
Q. In a microwave coaxial cable the inner conductor radius is a and inner radius of outside conductor is b. For TE₁₁ mode the cut off wavelength is about
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
