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+T6D - Component functions: rectifiers, relays, voltage regulators, meters, indicators, integrated circuits, transformers; Resonant circuit; Shielding 
+
+- [[T6D01]] (B)
+Which of the following devices or circuits changes an alternating current into a varying direct current signal? #card
+	- A. Transformer
+	- B. Rectifier
+	- C. Amplifier
+	- D. Reflector
+--
+- [[T6D02]] (A)
+What is a relay? #card
+	- A. An electrically-controlled switch
+	- B. A current controlled amplifier
+	- C. An inverting amplifier
+	- D. A pass transistor
+--
+- [[T6D03]] (C)
+Which of the following is a reason to use shielded wire? #card
+	- A. To decrease the resistance of DC power connections
+	- B. To increase the current carrying capability of the wire
+	- C. To prevent coupling of unwanted signals to or from the wire
+	- D. To couple the wire to other signals
+--
+- [[T6D04]] (C)
+Which of the following displays an electrical quantity as a numeric value? #card
+	- A. Potentiometer
+	- B. Transistor
+	- C. Meter
+	- D. Relay
+--
+- [[T6D05]] (A)
+What type of circuit controls the amount of voltage from a power supply? #card
+	- A. Regulator
+	- B. Oscillator
+	- C. Filter
+	- D. Phase inverter
+--
+- [[T6D06]] (B)
+What component changes 120 V AC power to a lower AC voltage for other uses? #card
+	- A. Variable capacitor
+	- B. Transformer
+	- C. Transistor
+	- D. Diode
+--
+- [[T6D07]] (A)
+Which of the following is commonly used as a visual indicator? #card
+	- A. LED
+	- B. FET
+	- C. Zener diode
+	- D. Bipolar transistor
+--
+- [[T6D08]] (D)
+Which of the following is combined with an inductor to make a resonant circuit? #card
+	- A. Resistor
+	- B. Zener diode
+	- C. Potentiometer
+	- D. Capacitor
+--
+- [[T6D09]] (C)
+What is the name of a device that combines several semiconductors and other components into one package? #card
+	- A. Transducer
+	- B. Multi-pole relay
+	- C. Integrated circuit
+	- D. Transformer
+--
+- [[T6D10]] (C)
+What is the function of component 2 in figure T-1? #card
+	- A. Give off light when current flows through it
+	- B. Supply electrical energy
+	- C. Control the flow of current
+	- D. Convert electrical energy into radio waves
+--
+- [[T6D11]] (A)
+Which of the following is a resonant or tuned circuit? #card
+	- A. An inductor and a capacitor in series or parallel
+	- B. A linear voltage regulator
+	- C. A resistor circuit used for reducing standing wave ratio
+	- D. A circuit designed to provide high-fidelity audio