Depth of penetration does not depend on frequency. True False

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Question
Depth of penetration does not depend on frequency.
Options
A. True
B. False

Correct Answer

False

Microwave Communication problems

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3. The speed at which axial electric field due to signal advances in a TWT is equal to
Options
A. speed of light
B. (speed of light) (helix pitch helix circumference)
C. (speed of light) (helix circumference helix pitch)
D. (speed of light) (helix pitch) (helix circumference)

5. Assertion (A): A line of length slightly more than and open circuited at far end is equivalent to an inductive reactance.
Reason (R): A line of length slightly more than and short circuited at far end behaves as a capacitive reactance.
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. Assertion (A): Slotted line is frequently used for microwave measurements.
Reason (R): The unknown impedance is mounted at the end of slotted line.
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

7. 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

8. As compared to their values in free space
Options
A. velocity of electric wave in dielectric is smaller but wave length of electric wave is more
B. both velocity and wave length of electric wave in dielectric are higher
C. both velocity and wave length of electric wave in dielectric are smaller
D. wave length of electric wave is less but velocity is more in dielectric

9. A rectangular waveguide has a discontinuity in the form of reduced narrow dimension. In the equivalent circuit this discontinuity can be represented by
Options
A. a shunt capacitance at the discontinuity
B. a shunt inductance at the discontinuity
C. a shunt resistance at the discontinuity
D. none of the above

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