What electrical component opposes the flow of current in a DC circuit?
AnswerA resistor.
A resistor provides resistance, limiting current and producing a voltage drop according to Ohm's Law.
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T6 · Electronic Components
Technician · correct answers only, in question-pool order.
What electrical component stores energy in an electric field?
AnswerA capacitor.
A capacitor stores separated electric charge and therefore energy in an electric field between conductive surfaces.
What type of electrical component stores energy in a magnetic field?
AnswerAn inductor.
Current through an inductor creates a magnetic field, and energy is stored in that field.
What electronic component allows current to flow in only one direction?
AnswerA diode.
A diode is designed to conduct readily in the forward direction while strongly restricting current in the reverse direction.
What is an electrical diagram using standard component symbols called?
AnswerA schematic.
A schematic emphasizes electrical relationships using standard symbols rather than showing the physical appearance or location of parts.
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
AnswerA rectifier.
A rectifier uses one-way conduction, commonly with diodes, to convert AC into a unidirectional waveform.
What is a relay?
AnswerAn electrically controlled switch.
A relay lets an electrical signal operate contacts that switch another circuit.
What type of circuit controls the amount of voltage from a power supply?
AnswerA regulator.
A voltage regulator maintains or controls supply voltage despite changes in input or load within its operating limits.