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A battery of e.m.f 10V an internal resistance 2Ω is connected to a resistance of…

A battery of e.m.f 10V an internal resistance 2Ω is connected to a resistance of 6Ω. Calculate the p.d
  • A.
    8.75V
  • B.
    7.50V
  • C.
    5V
  • D.
    2.50V
  • E.
    1.25V
Correct Answer: Option B
Explanation

V = E – Ir = 10V – (frac{10 times 2}{8}) = 7.5V