1. The circuit shown in the figure is an example of a. Inverter b. AND gate c. SPDT electronic switch d. OR gate 2. From the figure shown, when S1 is at 0 (toggle at down position) the statement below is not correct except a. (a) and (c) b. (a) the LED will illuminate c. (b) Collector-emitter voltage of Q1 is approximately zero d. (c) the base voltage of Q2 is equal to 9 V 3. From the figure shown, when S1 is at 1 (toggle at up position) the following statement is not correct except a. (b) Collector-emitter voltage of Q1 is approximately zero b. (c) the base voltage of Q2 is equal to 9 V c. (a) and (c) d. (a) the LED will illuminate
1. The circuit shown in the figure is an example of a. Inverter b. AND gate c. SPDT electronic switch d. OR gate 2. From the figure shown, when S1 is at 0 (toggle at down position) the statement below is not correct except a. (a) and (c) b. (a) the LED will illuminate c. (b) Collector-emitter voltage of Q1 is approximately zero d. (c) the base voltage of Q2 is equal to 9 V 3. From the figure shown, when S1 is at 1 (toggle at up position) the following statement is not correct except a. (b) Collector-emitter voltage of Q1 is approximately zero b. (c) the base voltage of Q2 is equal to 9 V c. (a) and (c) d. (a) the LED will illuminate
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter17: Commercial And Industrial Air-conditioning Control Systems
Section: Chapter Questions
Problem 22RQ
Related questions
Question
1. The circuit shown in the figure is an example of
a. Inverter
b. AND gate
c. SPDT electronic switch
d. OR gate
2. From the figure shown, when S1 is at 0 (toggle at down position) the statement below is not correct except
2. From the figure shown, when S1 is at 0 (toggle at down position) the statement below is not correct except
a. (a) and (c)
b. (a) the LED will illuminate
c. (b) Collector-emitter voltage of Q1 is approximately zero
d. (c) the base voltage of Q2 is equal to 9 V
3. From the figure shown, when S1 is at 1 (toggle at up position) the following statement is not correct except
a. (b) Collector-emitter voltage of Q1 is approximately zero
3. From the figure shown, when S1 is at 1 (toggle at up position) the following statement is not correct except
a. (b) Collector-emitter voltage of Q1 is approximately zero
b. (c) the base voltage of Q2 is equal to 9 V
c. (a) and (c)
d. (a) the LED will illuminate
Transcribed Image Text:V1
-12V
$1
Key-A
R3
www
24k0
R2
24002
2N3904
D1
1N4739A
Vz-9
LED1
Q2
2N3904
R1
3300
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