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Physics WAEC Past Questions

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1156
A galvanometer of internal resistance 50\(\Omega\) and full scale deflection of 20 mA is converted into a voltmeter by connecting a resistor of resistance 1950\(\Omega\) in series to it. Calculate the maximum voltage that can be read by the voltmeter
  • A. 20V
  • B. 30V
  • C. 38V
  • D. 40V
View Answer & Discuss WAEC 2010
1157
In the wiring of houses, the fuse is connected to the wire coloured
  • A. blue
  • B. brown
  • C. yellow
  • D. yellow and green
View Answer & Discuss (1) WAEC 2010
1158
Which of the following factors does not affect the electric resistance of wire?
  • A. length
  • B. mass
  • C. temperature
  • D. cross-sectional area
View Answer & Discuss WAEC 2010
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1159
Which of the following factors will increase the sensitivity of moving coil meter?
  • A. strong spring
  • B. low numbers of turns
  • C. small area of coil
  • D. soft iron core
View Answer & Discuss (2) WAEC 2010
1160
In order to prevent bar magnets from losing their strength, they are stored wih keepers such that the two bars are placed with
  • A. like poles facing each other and the keepers placed between them
  • B. like poles facing each other and the keepers placed between them
  • C. unlike poles facing each other and the keepers placed at their ends
  • D. unlike poles facing each other and the keepers placed between them
View Answer & Discuss 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