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1151
As the air column of length L in an air pipe decreases, the frequency of the sationary wave emitted
  • A. decreases
  • B. increases
  • C. varies as L2
  • D. varies as \(\sqrt{L}\)
View Answer & Discuss (3) WAEC 2010
1152
A positively charged glass rod is placed near the cap of a positively charged electroscope. The divergence of the leaf is observed to
  • A. decrease
  • B. increase
  • C. remain the same
  • D. increase and collapse immediately
View Answer & Discuss (3) WAEC 2010
1153
Capacitors are used in the following devices, except
  • A. water pumping machines
  • B. ceiling fans
  • C. electric irons
  • D. television sets
View Answer & Discuss (1) WAEC 2010
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1154
Use the diagram above to calculate the current, I.
  • A. 0.60A
  • B. 0.97A
  • C. 1.03A
  • D. 5.00A
View Answer & Discuss (5) WAEC 2010
1155

Determine the potential difference. V across the parallel resistors

  • A. 2.0V
  • B. 2.3V
  • C. 3.0V
  • D. 0.7V
View Answer & Discuss (9) WAEC 2010
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts