Chapter 2 Coupling of Amplifier MCQs

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1. . Basic purpose of multistage arrangement is to increase the amplifier's





2. . Overall voltage gain (dB) in multistage system is the





3. . Multistage amplifiers are also called





4. . Each amplifier in a cascaded arrangement is known as





5. . RC coupling is used for __________ amplification.





6. . In an RC coupled amplifier, the voltage gain over mid-frequency range





7. . The best frequency response is of __________ coupling





8. . Transformer coupling is used for __________ amplification.





9. . In an RC coupling scheme, the coupling capacitor CC must be large enough __________





10. . When a multistage amplifier is to amplify DC signal, then one must use __________ coupling





11. . In practice, voltage gain is expressed in __________





12. . Transformer coupling provides high efficiency because __________





13. . Transformer coupling is generally employed when load resistance is?





14. . The final stage of multistage amplifier uses __________ coupling?





15. . 1 dB corresponds to __________ change in power level





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