Filters – 1 – 2

6. A 10 V power supply would use …….. as filter capacitor.

(a) paper capacitor
(b) mica capacitor
(c) electrolytic capacitor
(d) 
air capacitor

ANSWER

EXPLANATION

7. A 1000 V power supply would use …….. as a filter capacitor.

(a) paper capacitor
(b) air capacitor
(c) mica capacitor
(d) 
electrolytic capacitor

ANSWER

EXPLANATION

8. The …… filter circuit results in the best voltage regulation.

(a) choke input
(b) capacitor input
(c)  resistance input
(d) 
none of the above

ANSWER

EXPLANATION

9. A low pass filter is one which :

(a) passes all low frequencies
(b) attenuates all high frequencies
(c) passes all frequencies up to cut-off frequency, and attenuates all other frequencies
(d) 
none of these

ANSWER

EXPLANATION

10. A high pass filter is one which :

(a) passes all high frequencies
(b) attenuates all low frequencies
(c) attenuates all frequencies below a designated cut-off frequency, and passes all frequencies above cut-off
(d) 
 none of these

ANSWER

EXPLANATION

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