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Sunday, 16 August 2026
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Physics Past Questions and Answers

Topic: Arrangement of cells

Jamb Physics Questions - Arrangement of cells

Question 11:
The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and 2.0V when supplying a current of 3.0A. The internal resistance of the battery is
  • A 0.5 \(\Omega\)
  • B 1.0\(\Omega\)
  • C 2.0\(\Omega\)
  • D 4.0\(\Omega\)
View Answer & Explanation
Question 12:
In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω
  • A 0.8A
  • B 1.0A
  • C 1.6A
  • D 2.4A
View Answer & Explanation
Question 13:
A 12V battery has an internal resistance of 0.5W.If a cable of 1.0W resistance is connected across the two terminals of the battery, the current drawn from the battery is
  • A 16.0A
  • B 8.0A
  • C 0.8A
  • D 0.4A
View Answer & Explanation
Question 14:
Three electric cells each of e.m.f 1.5V and internal resistance of 1.0\(\Omega\) are connected in parallel across an external resistance of \(\frac{2}{3}\)\(\Omega\). Calculate the value of the current in the resistor
  • A 0.5 A
  • B 0.9A
  • C 1.5A
  • D 4.5A
View Answer & Explanation
Question 15:
Four cells each of e.m.f 1.5V and internal resistance of 4Ω are connected in parallel. What is the effective e.m.f. and internal resistance of the combination?
  • A 6.0V, 16Ω
  • B 6.0V, 1Ω
  • C 1.5V, 4Ω
  • D 1.5V, 1Ω
View Answer & Explanation