A compass needle points 19° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 35° E of N. The Earth's field is the same at both positions of the compass, it is 0.50×10-4 T and is horizontal. What is the magnitude of the current in the wire? Express your answer using two significant figures and include the appropriate units. I = Submit Part B O O O O Value east west up μА What is the direction of the current in the wire? down Request Answer @ Units ?

A compass needle points 19° E of N outdoors. However, when it is placed 12.0 cm to the east of a vertical wire inside a building, it points 35° E of N. The Earth's field is the same at both positions of the compass, it is 0.50×10-4 T and is horizontal. What is the magnitude of the current in the wire? Express your answer using two significant figures and include the appropriate units. I = Submit Part B O O O O Value east west up μА What is the direction of the current in the wire? down Request Answer @ Units ?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 8STP

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Similar questions

Calculate the magnitude of the magnetic field at a point 25.0 cm from a long, thin conductor carrying a current of 2.00 A.
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A horizontal power line of length 58 m carries a current of 2.2 kA as shown in Figure P19.34. Earths magnetic field at this location has a magnitude equal to 5.0 105. T and makes an angle of 65 with the power line. Find the magnitude and direction of the magnetic force on the power line. Figure P19.34
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