Homework 14

# Homework 14 - lim(kl9356 Homework 14 Weathers(22202 This...

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lim (kl9356) – Homework 14 – Weathers – (22202) 1 This print-out should have 12 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 (part 1 of 4) 10.0 points Four long, parallel conductors carry equal cur- rents. A cross-sectional view of the conduc- tors is shown in the figure below. Each side of the square has length of 0 . 5 m. Note: The current direction is out of the page at points indicated by the dots and into the page at points indicated by the crosses. A B C D × × P x y 0 . 5 m 7 A in 7 A out 7 A in 7 A out Which diagram correctly denotes the di- rections of the components of the mag- netic field from each conductor at the point P ? The premeability of free space is 1 . 25664 × 10 - 6 N / A 2 . 1. P B A B B B C B D 2. P B A B B B C B D 3. P B A B B B C B D 4. P B A B B B C B D 5. P B A B B B C B D 6. P B A B B B C B D 002 (part 2 of 4) 10.0 points What is the magnitude of each of the four components B A , B B , B C , and , B D at the point P? 1. bardbl vector B A,B,C, or D bardbl = μ 0 I 2 π ℓ 2. bardbl vector B A,B,C, or D bardbl = μ 0 I 2 2 π ℓ 3. bardbl vector B A,B,C, or D bardbl = μ 0 I 2 π ℓ 4. bardbl

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