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Saturday, 07 March 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 46:
In the circuit above, three resistors, 2Ω, 4Ω and 12Ω are connected in parallel and a 12V battery is connected across the combination. The current flowing through the 12Ω resistors is
  • A 14.4 A
  • B 1.0 A
  • C 3.2 A
  • D 9.6 A
View Answer & Explanation
Question 47:
If the volume of a gas increases steadily as the temperature decreases at constant pressure, the gas obeys
  • A Graham's Law
  • B Boyle's Law
  • C Pressure law
  • D Charles Law
  • E No Correct Option
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Question 48:
In Homes, electrical appliances and lamps are connected in parallel because
  • A Parallel connections do not heat up the wires
  • B Series connections use high voltage
  • C Less current will be used
  • D Less voltage will be used
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Question 49:
In an A.C circuit, the ratio of r.m.s value to peak value of current is
  • A 2
  • B \( \frac{1}{2} \)
  • C \( \frac{1}{\sqrt{2}} \)
  • D \( \sqrt{2} \)
View Answer & Explanation