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Monday, 02 November 2026
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Physics Past Questions and Answers

Jamb 2007 Physics Questions

Question 41:
The difference observed in solids, liquids and gases can be accounted for by
  • A The different molecules in each of them
  • B The spaces and forces acting between the molecules
  • C Thier melting points
  • D Their relative massess
View Answer & Explanation
Question 42:
If two charged plates are maintained at a potential difference of 3 kv, the work done in taking a charge of 600µc across the field is
  • A 0.8j
  • B 1.8j
  • C 9.0j
  • D 18.0j
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Question 43:
A conductor has a diameter of 1.00mm and length of 2.00m. If the resistance of the material is 0.1Ω, the resistivity is
  • A 2.55 * 10<sup style='font-size: smaller;'>5</sup> Ωm
  • B 2.55 * 10<sup style='font-size: smaller;'>3</sup> Ωm
  • C 3.93 * 10<sup style='font-size: smaller;'>-6</sup> Ωm
  • D 3.93 * 10<sup style='font-size: smaller;'>-8</sup> Ωm
View Answer & Explanation
Question 44:
A 40KW electric cable was uses to transmit electricity through a resistor of resistance 2.00Ω at 800V. The power loss as internal energy is
  • A 4.0 x 10<sup style='font-size: smaller;'>2</sup>W
  • B 5.0 x 10<sup style='font-size: smaller;'>2</sup>W
  • C 4.0 x 10<sup style='font-size: smaller;'>3</sup>W
  • D 5.0 x 10<sup style='font-size: smaller;'>3</sup>W
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Question 45:
The instrument that measures both ac and dc is called
  • A A current balance
  • B A moving coil ammenter
  • C A moving iron ammeter
  • D An inverter
View Answer & Explanation