What type of voltages would you commonly expect to find on motherboard’s power supply connector?
A) 120V AC
B) 12V DC, 5V DC, 3.3V DC
C) 12V AC, 5V AC, 3.3V AC
D) 120V DC
E) I’ve been too long, I’m glad to be back
The answer: B) 12V DC, 5V DC, 3.3V DC
A computer’s power supply provides the motherboard with a number of different DC voltages, usually including 3.3 volts DC, 5 volts DC, and 12 volts DC.
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Want to know more? Watch “Troubleshooting Power Supplies.”Troubleshooting power supplies requires some specialized tools and some common troubleshooting techniques. In this video, you’ll learn about circuit testers, the value of a good multimeter, and how to use these tools to troubleshoot power outlets and power supplies. |
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