Exercise: Microwave Communication

Questions for: Microwave Communication

Fibers have numerical aperture (NA) in the range of 0.15 to 0.4 Fibers with higher NA value would have
A:
reduced losses
B:
high bandwidth
C:
reduced losses and low bandwidth
D:
more losses and low bandwidth
Answer: D
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Assertion (A): Slotted line is frequently used for microwave measurements.

Reason (R): The unknown impedance is mounted at the end of slotted line.

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
Answer: B
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TE01 mode of propagation of electromagnetic energy
A:
is merely the TE10 mode rotated 90°
B:
is merely the TE10 mode rotated 180°
C:
is the same as TE10 mode
D:
either (b) or (c)
Answer: A
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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.

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
Answer: B
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A microwave junction is matched at all ports if the S matrix
A:
has all diagonal elements zero
B:
has all diagonal elements equal but not zero
C:
has all diagonal elements complex
D:
is Hermitian
Answer: A
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