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Using the data in the circuit illustrated above, calculate the value of R

Using the data in the circuit illustrated above, calculate the value of R
  • A.
    0.02(Omega)
  • B.
    0.05(Omega)
  • C.
    5.00(Omega)
  • D.
    20.00(Omega)
  • E.
    50.00(Omega)
Correct Answer: Option E
Explanation

R = (frac{V}{T} = frac{2v}{40 times 10^{-3}})
= 50.00(Omega)