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2956

The radioisotope \( ^{235}_{92}U \) decays by emitting two alpha particles, three beta particles and a gamma ray. What is the mass and atomic number of the resulting element?

  • A. 215 and 88
  • B. 91 and 227
  • C. 227 and 91
  • D. 92 and 238
View Answer & Discuss (1) JAMB 2010
2957
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 (9) JAMB 2011
2958

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 (20) JAMB 2011
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2959
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
2960

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 (18) JAMB 2011
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