Filters & Coupling Circuits MCQs

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1. A filter separates high and low _______.





2. A _______ pass filter provides output for the lower frequencies.





3. A _______ pass filter provides output for the higher frequencies.





4. _______ direct current varies in amplitude but does not reverse its direction.





5. An _______ coupling circuit is effectively a high pass filter.





6. An RC coupling is effectively a _______ pass filter.





7. A transformer with an isolated secondary winding also effectively works as a _______.





8. A _______ capacitor in parallel with R provides a low pass filter.





9. In _______ pass filters capacitance is in series with the load.





10. In high pass filters capacitance is in _______ with the load.





11. Resonant circuits are generally used for band _______ and band stop filtering.





12. Which of the following is a low pass filter?





13. Combination of L, C and R can be arranged as L, T and ______ filters.





14. RC coupling _______ DC component.





15. A low pass filter is that circuit which stops _______ frequencies.





16. By _______ R and C low pass can be converted to high pass filter.





17. A band stop filter does the _______ of band pass filter.





18. RC coupling network consists of two _______ and one _______.





19. There is no need for coupling _______ in transformer coupling.





20. To amplify high signals direct _______ cannot be used.





21. A high pass filter _______.





22. The main function of an RC network is to _______.





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