Basic electronics Multiple Choice Questions: Part-6

Basic electronics Multiple Choice Questions: Part-6

[1] A network designed to pass signals with all frequencies except those between two specified cut-off frequencies is called a
(a) low-pass filter
(b) high-pass filter
(c) band-pass filter
(d) band-stop filter

Ans: D

[2] A low-pass T-connected symmetrical filter section has an inductance of 200mH in each of its series arms and a capacitance of 0.5 �F in its shunt arm. The cut-off frequency of the filter is
(a) 1007 Hz
(b) 251.6 Hz
(c) 711.8 Hz
(d) 177.9 Hz

Ans: C

[3] A low-pass p-connected symmetrical filter section has an inductance of 200mH in its series arm and capacitances of 400 pF in each of its shunt arms. The cut-off frequency of the filter is
(a) 25.16 kHz
(b) 6.29 kHz
(c) 17.79 kHz
(d) 35.59 kHz

Ans:A

[4] A high-pass T-connected symmetrical filter section has capacitances of 400 nF in each of its series arms and an inductance of 200mH in its shunt arm. The cut-off frequency of the filter is
(a) 1592 Hz
(b) 1125 Hz
(c) 281 Hz
(d) 398 Hz

Ans:D

[5] A high-pass p-connected symmetrical filter section has a capacitance of 5000 pF in its series arm and inductances of 500 �H in each of its shunt arms. The cut-off frequency of the filter is
(a) 201.3 kHz
(b) 71.18 kHz
(c) 50.33 kHz
(d) 284.7 kHz

Ans:B

[6] A network designed to pass signals at frequencies above a specified cut-off frequency is called a
(a) low-pass filter
(b) high-pass filter
(c) band-pass filter
(d) band-stop filter

Ans: B

[7] A network designed to pass signals at frequencies below a specified cut-off frequency is called a
(a) low-pass filter
(b) high-pass filter
(c) band-pass filter
(d) band-stop filter

Ans: A

[8] A network designed to pass signals with frequencies between two specified cut-off frequencies is called a
(a) low-pass filter
(b) high-pass filter
(c) band-pass filter
(d) band-stop filter

Ans: C

The following refers to questions 9 and 10.
A filter section is to have a nominal impedance of 620 and a cut-off frequency of 2 MHz.

[9] A low-pass T-connected symmetrical filter section is comprised of
(a) 98.68 �H in each series arm, 128.4 pF in shunt arm
(b) 49.34 �H in each series arm, 256.7 pF in shunt arm
(c) 98.68 �H in each series arm, 256.7 pF in shunt arm
(d) 49.34 �H in each series arm, 128.4 pF in shunt arm

Ans: B

[10] A low-pass p-connected symmetrical filter section is comprised of
(a) 98.68 �H in each series arm, 128.4 pF in shunt arm
(b) 49.34 �H in each series arm, 256.7 pF in shunt arm
(c) 98.68 �H in each series arm, 256.7 pF in shunt arm
(d) 49.34 �H in each series arm, 128.4 pF in shunt arm

Ans: A

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