When operated on a household 110.0 V line, typical hair dryers draw about 1450 W of power. The current can be modeled as a long, straight wire in the handle. During use, the current is about 2.25 cm from the user's hand. What is the current in the hair dryer? 13.2 A What is the resistance of the hair dryer? 8.41 Ω What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is µo = 4x × 10-7 N/A². 1.1 x10¬4 T Incorrect

When operated on a household 110.0 V line, typical hair dryers draw about 1450 W of power. The current can be modeled as a long, straight wire in the handle. During use, the current is about 2.25 cm from the user's hand. What is the current in the hair dryer? 13.2 A What is the resistance of the hair dryer? 8.41 Ω What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is µo = 4x × 10-7 N/A². 1.1 x10¬4 T Incorrect

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 76CP: A 0.50-kg copper sheet drops through a uniform horizontal magnetic field of 1.5 T, and it reaches a...

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Question

When operated on a household 110.0 V line, typical hair dryers draw about 1450 W of power. The current can be modeled as a
long, straight wire in the handle. During use, the current is about 2.25 cm from the user's hand.
What is the current in the hair dryer?
13.2
A
What is the resistance of the hair dryer?
8.41
Ω
What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is Ho = 47 × 10-' N/A?.
1.1 x10¬4
Incorrect

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