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Transmission Line Theory – 1 – 1

1. Transmission line must be matched to the load to ………… ?

(a) transfer maximum voltage to the load
(b) transfer maximum power to the load
(c) reduce the load current
(d) transfer maximum current to the load

ANSWER

EXPLANATION

2. Transmission lines are either balanced or unbalanced with respect to :

(a) negative terminal
(b) reference
(c) ground
(d) 
positive terminal

ANSWER

EXPLANATION

3. Input impedance of a shorted lossless line of length π/4 is :

(a) Zero
(b) Infinity
(c) Z0
(d) None of the above

ANSWER

EXPLANATION

4. All power applied at the input of the line will be absorbed by the load if :

(a) Z0> ZL
(b) Z0< ZL
(c) Z0= ZL
(d) none of these

ANSWER

EXPLANATION

5. When ZL≠ Z0, the power sent down the line toward the load is called the :

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

ANSWER

EXPLANATION

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