A compass needle points 19°E of N outdoors. However, when it is placed 11.0cm to the east of a vertical wire inside a building, it points 32°E of N. The Earth's field is the same at both positions of the compass, it is 0.50 × 10 7 and is horizontal. 4 Part A What is the magnitude of the current in the wire? Express your answer using two significant figures and include the appropriate units. HA -> I = 0.04 A Submit Previous Answers Request Answer ? × Incorrect; Try Again; 3 attempts remaining
A compass needle points 19°E of N outdoors. However, when it is placed 11.0cm to the east of a vertical wire inside a building, it points 32°E of N. The Earth's field is the same at both positions of the compass, it is 0.50 × 10 7 and is horizontal. 4 Part A What is the magnitude of the current in the wire? Express your answer using two significant figures and include the appropriate units. HA -> I = 0.04 A Submit Previous Answers Request Answer ? × Incorrect; Try Again; 3 attempts remaining
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Transcribed Image Text:A compass needle points 19°E of N outdoors. However, when it is placed 11.0cm to the east of a vertical wire inside a
building, it points 32°E of N. The Earth's field is the same at both positions of the compass, it is 0.50 × 10 7 and is
horizontal.
4
Part A
What is the magnitude of the current in the wire?
Express your answer using two significant figures and include the appropriate units.
HA
->
I = 0.04
A
Submit
Previous Answers Request Answer
?
× Incorrect; Try Again; 3 attempts remaining
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