Regulated Power Supplies » Exercise – 3
101. In a simple series regulator circuit, which of the following components is the controlling element?
(a) Load resistor
(b) Zener diode
(c) Transistor Q1
(d) None of the above
102. What regulated output voltage is provided for the following circuit elements: R1 = 15 kΩ, R2 = 35 kΩ, and VZ = 11.2 V?
(a) 16.50 V
(b) 17 V
(c) 17.35 V
(d) 18.25 V
103. Nota
104. Which component(s) set(s) the voltage across the load in a basic transistor shunt regulator?
(a) Zener diode
(b) Transistor base-emitter voltage
(c) Both the Zener diode and the transistor base-emitter voltage
(d) None of the above
105. In a full-wave rectifier, if no load were connected across the capacitor, the output voltage would ideally be a(n) ________.
(a) ac voltage
(b) constant dc voltage
(c) pulsating dc voltage
(d) ramp voltage
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