Transmission Line Theory – 1 – 2

6. When mismatch is great, this power actually cause damage to the transmitter or the line itself.

(a) The incident power
(b) The reflected power
(c) The power dissipation
(d) The carrier power

ANSWER
Answer : (b)

EXPLANATION
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7. Determine the characteristic impedance of a transmission line  which has a capacitance of 30 pF/m and an inductance of 75 nH/m :

(a) 5 Ω
(b) 50 Ω
(c) 500 Ω
(d) 5 KΩ

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

8. At UHF and microwave frequencies, transmission lines are commonly used as :

(a) Antenna
(b) Coupler
(c) Resonant circuit
(d) Transformer

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

9. The time required for a wave to propagate on a transmission line will depend on the value of its :

(a) Series resistance and shunt conductance
(b) Series inductance and shunt capacitance
(c) Series resistance and series inductance
(d) Shunt conductance and shunt capacitance

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

10. A measure of how the voltage or current decreases with distance along the line :

(a) Propagation constant
(b) Attenuation constant
(c) Phase constant
(d) SWR

ANSWER
Answer : (b)

EXPLANATION
No answer description available for this question. Let us discuss.

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