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4 December, 10:12

Which is NOT a characteristic of a magnetic field produced by a current?

a. It can be turned on and off.

b. Its direction can be reversed.

c. Its strength can be changed.

d. Its speed can be slowed.

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Answers (1)
  1. 4 December, 10:20
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    The answer is (D.) Its speed can be slowed because the magnetic field can be turned on and off, can have its direction reversed and can have its strength changed. However, The speed of a magnetic field that is produced by a current is impossible to be slowed.
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Home » Physics » Which is NOT a characteristic of a magnetic field produced by a current? a. It can be turned on and off. b. Its direction can be reversed. c. Its strength can be changed. d. Its speed can be slowed.
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