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Physics 2011 JAMB Past Questions

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46
If the volume of a gas increases steadily as the temperature decreases at constant pressure, the gas obeys
  • A. Graham's Law
  • B. Boyle's Law
  • C. Pressure law
  • D. Charles Law
  • E. No Correct Option
View Answer & Discuss (7) JAMB 2011
47

In Homes, electrical appliances and lamps are connected in parallel because

  • A. Parallel connections do not heat up the wires
  • B. independence switches can be used
  • C. less current will be used
  • D. less voltage will be used
View Answer & Discuss (17) JAMB 2011
48
In an A.C circuit, the ratio of r.m.s value to peak value of current is
  • A. 2
  • B. \( \frac{1}{2} \)
  • C. \( \frac{1}{\sqrt{2}} \)
  • D. \( \sqrt{2} \)
View Answer & Discuss (1) JAMB 2011
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49
Two resistors 5Ω and 10Ω are arranged first in series and later in parallel to a 24V source, the ratio of total power dissipated in the series and parallel arrangements respectively is
  • A. 5:3
  • B. 1:50
  • C. 50:1
  • D. 3:5
  • E. No Correct Option
View Answer & Discuss (14) JAMB 2011
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