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Justine’s hair dryer has a resistance of 20 Ohms when first turned on. How much current does the hair dryer draw from the 110.-V line in Justine’s house? (Answer in amps)

Justine’s hair dryer has a resistance of 20 Ohms when first turned on. How much current does the hair dryer draw from the 110.-V line in Justine’s house? (Answer in amps)
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5 votes
Justine’s hair dryer has a resistance of 20 Ohms when first turned on. How much current does the hair dryer draw from the 110.-V line in Justine’s house? (Answer in amps)

User Tomfmason
by
8.3k points

1 Answer

5 votes

Answer:

5.5 amps

Step-by-step explanation:

V = I*R

110 = 20I

I = 5.5

User Oliver Mellet
by
8.2k points
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