3-C-023: SCRs, Triacs
3-23C1:
How might two similar SCRs be connected to safely distribute the power load of a circuit?
In parallel, reverse polarity.
In series.
In parallel, same polarity.
In a combination series and parallel configuration.
3-23C2:
What are the three terminals of an SCR?
Anode, cathode, and gate.
Gate, source, and sink.
Base, collector, and emitter.
Gate, base 1, and base 2.
3-23C3:
Which of the following devices acts as two SCRs connected back to back, but facing in opposite directions and sharing a common gate?
TRIAC.
JFET.
Dual-gate MOSFET.
DIAC.
3-23C4:
What is the transistor called that is fabricated as two complementary SCRs in parallel with a common gate terminal?
TRIAC.
Bilateral SCR.
Unijunction transistor.
Field effect transistor.
3-23C5:
What are the three terminals of a TRIAC?
Gate, anode 1, and anode 2.
Emitter, base 1, and base 2.
Base, emitter, and collector.
Gate, source, and sink.
3-23C6:
What circuit might contain a SCR?
A light-dimming circuit.
Filament circuit of a tube radio receiver.
Shunt across a transformer primary.
Bypass capacitor circuit to ground.
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