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The unit of electric field intensity is

  • A.coulombs per square metre
  • B.newtons per coulomb per metre
  • C.farads per metre
  • D.volts per metre

Answer: D

Newtons per coulomb and volts per metre are the same unit, which follows from the joule being a newton metre and the volt a joule per coulomb. The second form is the one used in practice because potential differences are what get measured.

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