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Electrician
Electrician Set-1
Semi Conductor Devices
47

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

47) Speaker used in Hi-Fi audio system for reproducing audio frequencies below 1 kHz is called ?

woofer

tweeter

squawker

booster

Answer is:

woofer

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

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Related Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

50) Stereophonic system requires ?

two separate microphones

two separate amplifiers

two separate speakers

all the above stated items

Answer is:

all the above stated items

51) A pre-amplifier is a ?

current amplifier

voltage amplifier

power amplifier

video amplifier

Answer is:

voltage amplifier

52) The process of limiting high frequencies is called?

pre-emphasis

de-emphasis

tuning

none of the above

Answer is:

pre-emphasis

53) Speaker used for the reproduction of high audio frequencies above 3 kHz in Hi-Fi audio system is called ?

tweeter

woofer

squaker

booster

Answer is:

tweeter

Semi Conductor Devices MCQ - Electrician (Set-1) with Answers

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