electronics circuit determine the following:   - If Q1 is turned on in Figure 4a, what is Vout? -Given the circuit in Figure 4b, what is the maximum rated current of the zener? -Below the threshold voltage across the zener, what is the approximate value of Vout?

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electronics circuit determine the following:  
- If Q1 is turned on in Figure 4a, what is Vout?
-Given the circuit in Figure 4b, what is the maximum rated current of the zener?
-Below the threshold voltage across the zener, what is the approximate value of Vout?

1KO
Rs
5.1V
R Vout
12V
Vout
1W
(a)
(b)
Fiaura A
13. If Q1 is turned on in Figure 4a, what is Vout?
14. Given the circuit in Figure 4b,
what is the maximum rated current of the zener?
Vz + VBE
196 mA
Vz
12mA
VBE - Vz
6.9mA
Vin
200mA
15. Below the threshold voltage across the zener, what is the
approximate value of Vout?
5.1V
O 12V
O 11.3V
O 6.9V
Transcribed Image Text:1KO Rs 5.1V R Vout 12V Vout 1W (a) (b) Fiaura A 13. If Q1 is turned on in Figure 4a, what is Vout? 14. Given the circuit in Figure 4b, what is the maximum rated current of the zener? Vz + VBE 196 mA Vz 12mA VBE - Vz 6.9mA Vin 200mA 15. Below the threshold voltage across the zener, what is the approximate value of Vout? 5.1V O 12V O 11.3V O 6.9V
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