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Author Question: When current reverses direction in a wire, the surrounding magnetic field A) also reverses ... (Read 96 times)

lbcchick

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When current reverses direction in a wire, the surrounding magnetic field
 
  A) also reverses direction.
  B) becomes momentarily stronger.
  C) contracts.
  D) expands.

Question 2

Magnetic field lines about a current-carrying wire
 
  A) extend radially from the wire.
  B) circle the wire in closed loops.
  C) both of these
  D) neither of these



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zacnyjessica

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Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



lbcchick

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Both answers were spot on, thank you once again



zacnyjessica

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