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Physics 2017 JAMB Past Questions

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26
A string of length 5cm is extended by 0.04m when a load of 0.8kg is suspended at the end. How far will it extend if a force of 16N is applied? [g = 10ms\(^{-2}\)]
  • A. 0.04m
  • B. 0.12m
  • C. 0.01m
  • D. 0.08m
View Answer & Discuss (2) JAMB 2017
27
How can energy loss be minimized through Eddy-current?
  • A. By using high resistance wire
  • B. By using insulated soft iron wires
  • C. By using low resistance wires
  • D. Bu using turns of wires
View Answer & Discuss (12) JAMB 2017
28
From the diagram above, calculate the energy stored in the capacitor
  • A. 4.0 x 10\(^{-2}\)J
  • B. 4.0 x 10\(^{-4}\)J
  • C. 8.0 x 10\(^{-4}\)J
  • D. 8.0 x 10\(^{-2}\)J
View Answer & Discuss (3) JAMB 2017
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29

A constant force of 5N acts for 5 seconds on a mass of 5kg initially at rest. Calculate the final momentum

  • A. 125kgms−1
  • B. 25kgms−1
  • C. 15kgms−1
  • D. 0kgms−1
View Answer & Discuss (6) JAMB 2017
30
I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves?
  • A. II and III only
  • B. I, II and III
  • C. I and II only
  • D. I and III only
View Answer & Discuss (4) JAMB 2017
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