2.2 KiB
T6A - Fixed and variable resistors; Capacitors; Inductors; Fuses; Switches; Batteries
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T6A01 (B) What electrical component opposes the flow of current in a DC circuit? #card
- A. Inductor
- B. Resistor
- C. Inverter
- D. Transformer
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T6A02 (C) What type of component is often used as an adjustable volume control? #card
- A. Fixed resistor
- B. Power resistor
- C. Potentiometer
- D. Transformer
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T6A03 (B) What electrical parameter is controlled by a potentiometer? #card
- A. Inductance
- B. Resistance
- C. Capacitance
- D. Field strength
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T6A04 (B) What electrical component stores energy in an electric field? #card
- A. Varistor
- B. Capacitor
- C. Inductor
- D. Diode
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T6A05 (D) What type of electrical component consists of conductive surfaces separated by an insulator? #card
- A. Resistor
- B. Potentiometer
- C. Oscillator
- D. Capacitor
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T6A06 (C) What type of electrical component stores energy in a magnetic field? #card
- A. Varistor
- B. Capacitor
- C. Inductor
- D. Diode
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T6A07 (D) What electrical component is typically constructed as a coil of wire? #card
- A. Switch
- B. Capacitor
- C. Diode
- D. Inductor
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T6A08 (C) What is the function of an SPDT switch? #card
- A. A single circuit is opened or closed
- B. Two circuits are opened or closed
- C. A single circuit is switched between one of two other circuits
- D. Two circuits are each switched between one of two other circuits
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T6A09 (A) What electrical component is used to protect other circuit components from current overloads? #card
- A. Fuse
- B. Thyratron
- C. Varactor
- D. All these choices are correct
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T6A10 (D) Which of the following battery chemistries is rechargeable? #card
- A. Nickel-metal hydride
- B. Lithium-ion
- C. Lead-acid
- D. All these choices are correct
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T6A11 (B) Which of the following battery chemistries is not rechargeable? #card
- A. Nickel-cadmium
- B. Carbon-zinc
- C. Lead-acid
- D. Lithium-ion
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[T6A12] What type of switch is represented by component 3 in figure T-2? #card
- A. Single-pole single-throw
- B. Single-pole double-throw
- C. Double-pole single-throw
- D. Double-pole double-throw