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 2.45 cm from the user's hand. What is the current in the hair dryer? A What is the resistance of the hair dryer? What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is µo = 4n x 10-' N/A?. T

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 2.45 cm from the user's hand. What is the current in the hair dryer? A What is the resistance of the hair dryer? What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is µo = 4n x 10-' N/A?. T

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 22P: The human body can exhibit a wide range of resistances to current depending on the path of the...

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When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The current can be modeled as a long, straight wire in the handle. During use, the current is about 2.15 cm from the user's hand. What is the current in the hair dryer? A What is the resistance of the hair dryer? Ω What magnetic field does the hair dryer produce at the user's hand? The permeability of free space is ?0=4?×10−7 N/A2.
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
Direction of the force on the wire going through point p
Two long parallel wires are separated by 6.0 mm. The current in one of the wires is twice the other current. If the magnitude of the force on a 3.0-m length of one of the wires is equal to 8.0 mN, what is the greater of the two currents? a. 40 mA b. 20 mA c. 0.63 A d. 0.40 A e. 0.20 A
Please answer the question numbers 38, 39 and 40 by referring to the given diagram.
In the figure below, the blue wire has a current I= 57 A and the red loop is a square with sides that are 44 cm long. The distance between the blue wire and wire AD is 2.3 cm. Determine the force the blue wire exerts on wire AD and the force the blue wire exerts wire BC. 20 V 1.8 Q C Force of blue wire on AD = direction of force on AD= Choose direction v ASK YOUR TEACHER Force of blue wire on BC = direction of force on BC= Choose direction v