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Tuesday, 10 November 2026
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Physics Past Questions and Answers

Jamb 2022 Physics Questions

Question 26:
Tyres are treaded to?
  • A Increase weight of tyres
  • B Increase friction
  • C Increase its longevity
  • D Look good
View Answer & Explanation
Question 27:
A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration
  • A 3.20 ms\(^{-2}\)
  • B 0.25 ms\(^{-2}\)
  • C 0.80 ms\(^{-2}\)
  • D 4.00 ms\(^{-2}\)
View Answer & Explanation
Question 28:
The relationship between the coefficient of linear expansion \(\alpha\) and volumetric expansion (\(\gamma\)) is ____________
  • A \(\gamma\) = \(\alpha ^{-3}\)
  • B \(\gamma\) = \(\alpha\)
  • C 3\(\alpha\)
  • D \(\gamma\) = \(\alpha ^{3}\)
View Answer & Explanation
Question 29:
Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?
  • A Formation of hydrogen bubbles on the electrode
  • B Increase in the resistance of the cell
  • C Local action
  • D Polarization
View Answer & Explanation
Question 30:
A cell whose internal resistance is 0.55\(\Omega\) delivers a current of 4 A to an external resistor. The lost voltage of the cell is?
  • A 4.00 V
  • B 2.20 V
  • C 0.15 V
  • D 8.00 V
View Answer & Explanation