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.Management Sciences
A. 30 db
B. 60 db
C. 120 db
D. 600 db
Related Mcqs:
- 1 db corresponds to_____________change in voltage or current level?
- A. 40% B. 80% C. 20% D. 25%...
- RC coupling is not used to amplify extremely low frequencies because____________?
- A. There is considerable power loss B. There is hum in the output C. Electrical size of coupling capacitor becomes very large D. None of the above...
- If the power level of an amplifier reduces to half, the db gain will fall by___________?
- A. 5 db B. 2 db C. 10 db D. 3 db...
- 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?
- A. 5 mV B. 2 mV C. 8 mV D. 5 mV...
- The number of stages that can be directly coupled is limited because___________?
- A. Changes in temperature cause thermal instability B. Circuit becomes heavy and costly C. It becomes difficult to bias the circuit D. None of the above...
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