CompTIA
FC0-U51 · Question #244
At what voltage does a USB host supply power to the USB bus?
The correct answer is B. 5 volts. See the full explanation below for the reasoning.
Question
At what voltage does a USB host supply power to the USB bus?
Options
- A15 volts
- B5 volts
- C50 volts
- D3 volts
How the community answered
(19 responses)- B84% (16)
- C5% (1)
- D11% (2)
Community Discussion
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