Engine : Electricity - 427/1386
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| What is the name of the component labeled Q1 as shown in section "D" of the regulated DC power supply illustrated? Illustration EL-0085 |
| A) triac |
| B) NPN bipolar junction transistor |
| C) PNP bioplar junction transistor |
| D) silicon-controlled rectifier |
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Illustration EL-0085
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