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Question 40

If the direction of the curent in a straight wire is reversed, the magnetic field

  • A.remains the same
  • B.becomes parallel to the wire
  • C.ceases to exist
  • D.is oppositely directed
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2009
Question no.
#40
Type
Objective
Previous · Q39A battery of e.m.f. 12.0V and internal resistance0.5\(\Omega\) is connected to… Next · Q41 An inductor of inductance 1.0H is connected in series with a capacitor of…

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