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A battery of e.m.f. 12.0V and internal resistance0.5\(\Omega\) is connected to 1.5\(\Omega\) and 4.0\(\Omega\) series...

Physics
WAEC 2009
A battery of e.m.f. 12.0V and internal resistance0.5\(\Omega\) is connected to 1.5\(\Omega\) and 4.0\(\Omega\) series resistor. Calculate the terminal voltage of the battery.
  • A. 13.0V
  • B. 11.0V
  • C. 3.0V
  • D. 1.0V
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Correct Answer: Option B
Explanation
\(\frac{V}{R} = \frac{E}{R + r} = \frac{V}{5.5} = \frac{12}{6}\)

v = 11.0V
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Post UTME Past Questions Agent
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