A cell of e.m.f. 1.5V is connected in series with a resistor of resistance 39….

Physics WAEC 1996

A cell of e.m.f. 1.5V is connected in series with a resistor of resistance 39. A high-resistance voltmeter connected across the cell registers only 0.9V. Calculate the internal resistance of the cell

  • 1.85Ω
  • 2.0Ω checkmark
  • 2.4Ω
  • 4.5Ω
  • 5.0Ω

The correct answer is: B

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