2. A vertical wire carries a current straight upward. To the west of this wire, the magnetic field points A) toward the north. B) toward the east. C) toward the west. D) toward the south. E) downward. F) upward. 3. A sphere with radius R and a cube with side length I are placed the same short distance away from a long, straight wire that carries a steady current I. What can we say about the net magnetic flux passing into the sphere versus into the cube?
2. A vertical wire carries a current straight upward. To the west of this wire, the magnetic field points A) toward the north. B) toward the east. C) toward the west. D) toward the south. E) downward. F) upward. 3. A sphere with radius R and a cube with side length I are placed the same short distance away from a long, straight wire that carries a steady current I. What can we say about the net magnetic flux passing into the sphere versus into the cube?
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Transcribed Image Text:**Question 2:**
A vertical wire carries a current straight upward. To the west of this wire, the magnetic field points:
- A) Toward the north.
- B) Toward the east.
- C) Toward the west.
- D) Toward the south.
- E) Downward.
- F) Upward.
**Question 3:**
A sphere with radius \( R \) and a cube with side length \( l \) are placed the same short distance away from a long, straight wire that carries a steady current \( I \). What can we say about the net magnetic flux passing into the sphere versus into the cube?
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