Computer Programming MCQs — Test 166
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Question 1
The bandwidth of a single stage amplifier is_____________that of a multistage amplifier?
Question 2
The number of stages that can be directly coupled is limited because___________?
Question 3
If the power level of an amplifier reduces to half, the db gain will fall by___________?
Question 4
The output of a microphone is rated at -52 db. The reference level is 1V under specified conditions. What is the output voltage of this microphone under the same sound conditions?
Question 5
A gain of 1,000,000 times in power is expressed by_____________?
Question 6
In the initial stages of a multistage amplifier, we use______________?
Question 7
If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is____________?
Question 8
In transistor amplifiers, we use_____________transformer for impedance matching?
Question 9
_____________coupling provides the maximum voltage gain?
Question 10
Transformer coupling is generally employed when load resistance is______________?