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A compass needle points 21° E of N outdoors. However, when it is placed 14.0 cm to the east of a vertical wire inside a building, it points 57° E of N. Constants Part A What is the magnitude of the current in the wire? The Earth's field there is 0.50 × 10-4T and is horizontal. Express your answer using two significant figures. ΠΑΠ ΑΣΦ = ? I = Submit Request Answer A

Part B What is the direction of the current in the wire? The Earth's field there is 0.50 x10-4T and is horizontal. up west east о down

A long horizontal wire carries a current of 48 A. A second wire, made of 3.0 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below(Figure 1). Figure 1 of 1 T-48 A Part A Determine the magnitude of the current in the lower wire. Express your answer using two significant figures. ΠΠ ΑΣΦ ? I = 9.7 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining A