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Home , Pentagrid converter, Variable capacitor

T6C04 (C) T6B03 (C) T6B11 (B) What is component 3 in figure T1? Which of these components can be used as an Which semiconductor component has a gate A. electronic or ? electrode? B. A. Oscillator A. Bipolar transistor C. Lamp B. B. Field effect transistor D. symbol C. Transistor C. Silicon D. Voltmeter D. Bridge T6C05 (C) What is component 4 in figure T1? T6B04 (B) T6B12 (A) A. Resistor Which of these components is made of three What is the term that describes a transistor's B. Transistor layers of semiconductor material? ability to amplify a signal? C. Battery A. Alternator A. Gain D. Ground symbol B. Bipolar junction transistor B. Forward resistance C. C. Forward drop T6A08 (B) D. D. On resistance What electrical component is used to connect or disconnect electrical circuits? T6B05 (A) T6C03 (B) A. Which of the following electronic components What is component 2 in figure T1? B. Switch can amplify signals? A. Resistor C. A. Transistor B. Transistor D. Variable resistor B. Variable resistor C. Indicator lamp C. Electrolytic D. Connector T6A09 (A) D. Multi-cell battery What electrical component is used to protect T6C09 (D) other circuit components from current T6B08 (A) What is component 4 in figure T2? overloads? What does the abbreviation "FET" stand for? A. Variable inductor A. A. Field Effect Transistor B. Double-pole switch B. Capacitor B. Fast Electron Transistor C. Potentiometer C. Shield C. Free Electron Transition D. D. Inductor D. Field Emission Thickness T6C11 (A) T6B01 (D) T6B10 (A) What is component 4 in figure T3? What class of electronic components is capable Which semiconductor component has an emitter A. of using a voltage or current signal to control electrode? B. current flow? A. Bipolar transistor C. Dummy load A. B. Field effect transistor D. Ground B. C. Silicon diode C. D. Bridge rectifier D.

T6D01 (B) T6D06 (B) T6C02 (A) Which of the following devices or circuits changes an What component is commonly used to change 120V What is component 1 in figure T1? alternating current into a varying signal? AC house current to a lower AC voltage for other uses? A. Resistor A. Transformer A. B. Transistor B. Rectifier B. Transformer C. Battery C. Amplifier C. Transistor D. Connector D. Reflector D. Diode

T6D02 (A) T6D08 (D) What best describes a ? Which of the following is used together with an A. A switch controlled by an electromagnet inductor to make a tuned circuit? B. A current controlled amplifier A. Resistor C. An optical sensor B. Zener diode D. A pass transistor C. Potentiometer D. Capacitor T6D03 (A) What type of switch is represented by item 3 in figure T6D10 (C) T2? What is the function of component 2 in Figure T1? A. Single-pole single-throw A. Give off light when current flows through it B. Single-pole double-throw B. Supply electrical energy C. Double-pole single-throw C. Control the flow of current D. Double-pole double-throw D. Convert electrical energy into radio waves

T6D04 (C) T7D08 (C) Which of the following can be used to display signal Which of the following types of solder is best for radio strength on a numeric scale? and electronic use? A. Potentiometer A. Acid-core solder B. Transistor B. Silver solder C. Meter C. Rosin-core solder D. Relay D. Aluminum solder

T6D05 (A) T7D09 (C) What type of circuit controls the amount of voltage What is the characteristic appearance of a "cold" from a power supply? solder joint? A. Regulator A. Dark black spots B. Oscillator B. A bright or shiny surface C. Filter C. A grainy or dull surface D. Phase inverter D. A greenish tint