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Physics 2001 WAEC Past Questions

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31
If the frequency of the tuning fork at resonance is 256Hz, calculate the frequency of vibration of the wire when the tension in he wire is increased to 196N
  • A. 130.6Hz
  • B. 182.9Hz
  • C. 358.4Hz
  • D. 501.8Hz
View Answer & Discuss (4) WAEC 2001
32
The magnitude of the gravitational force between two particles 0.10m apart is 10N. If the distance between them is increased to 0.20m, calculate the magnitude of the new force
  • A. 40.0N
  • B. 20.0N
  • C. 5.0N
  • D. 2.5N
View Answer & Discuss (1) WAEC 2001
33

As the plates of a charged variable capacitor are moved closer together, the potential difference between them

  • A. increased
  • B. decrease
  • C. remains the same
  • D. is doubled
View Answer & Discuss (5) WAEC 2001
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34
What is the effective capacitance in the circuit?
  • A. 2\(\mu F\)
  • B. 6\(\mu F\)
  • C. 18\(\mu F\)
  • D. 216\(\mu F\)
View Answer & Discuss WAEC 2001
35
What is the total energy stored by the capacitors?
  • A. 2.0 x 10-4J
  • B. 1.0 x 10-4J
  • C. 9.0 x 10-2J
  • D. 1.0 x 10-2J
View Answer & Discuss WAEC 2001
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