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