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Alternating current can induce voltage because it has a

Physics
JAMB 1981

Alternating current can induce voltage because it has a

  • A. ripple value
  • B. varying magnetic field
  • C. weaker magnetic field than direct current
  • D. stonger magnetic field than direct current
  • E. high peak value
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Correct Answer: Option B
Explanation

Due to the change in the voltage in an AC, which either increases or decreases, the magnetic field around it is alwats eithercollapsing or expanding (varying magnetic field).

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