A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of…

A car fuse marked 3A operates optimally on a 12V battery, calculate the resistance of the fuse
  • A.
    36.0(Omega)
  • B.
    15.0(Omega)
  • C.
    9.0(Omega)
  • D.
    4.0(Omega)
Correct Answer: Option D
Explanation

R = (frac{v}{I} = frac{12}{3} = 4Omega)

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