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Attenuators – 1 – 1

1. The purpose of an Attenuator is to :

(a) increase signal strength
(b) provide impedance matching
(c) decrease reflections
(d) decrease value of signal strength

Answer
Answer : (d)

Explanation
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2. An attenuator is a :

(a) R’s network
(b) RL network
(c) RC network
(d) LC network

Answer
Answer : (a)

Explanation
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3. Bridged T network can be used as :

(a) Attenuator
(b) Low pass filter
(c) High pass filter
(d) Band pass filter

Answer
Answer : (a)

Explanation
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4. Variable attenuators exhibit variable attenuation but constant __________

(a) Input impedance
(b) Output impedance
(c) Both a and b
(d) None of the above

Answer
Answer : (c)

Explanation
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5. Why are the variable attenuators applicable for radio broadcasting purposes?

(a) For speed control
(b) For volume control
(c) For time control
(d) For power control

Answer
Answer : (b)

Explanation
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