I need a USB hub for my mug warmer



Which of these would be the best way to determine if a laptop power adapter is providing the correct power output?

A) Connect to a laptop and look for the charging indicator light

B) Test with a multimeter

C) Connect to a power source and check for heating

D) Connect to a laptop and check Windows Device Manager

E) Now what will I use to power my USB desk fan?

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Category: CompTIA A+ Pop Quizzes

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