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4746

The electrolyte used in the Nickel-Iron (NiFe) accumulator is

  • A. dilute tetraoxosulphate(VI) acid
  • B. barium chloride solution
  • C. potassium hydroxide solution
  • D. sodium hydroxide solution
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4747

Which of the following materials is a good insulator?

  • A. Silver
  • B. Water
  • C. Rubber
  • D. Copper
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4748

A generator manufacturing company accidentally made an AC generator instead of a DC generator. To fix this error,

  • A. the magnetic field needs to be made stronger
  • B. the split rings should be replaced with slip rings
  • C. the number of turns of the armature coil needs to be decreased
  • D. the slip rings should be replaced with split rings
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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4749

Which of the following is NOT an example of elementary modern physics?

  • A. Classical mechanics
  • B. Quantum mechanics
  • C. Special relativity
  • D. Nuclear physics
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4750

Which of the following is an example of a couple?

  • A. All of the above.
  • B. The forces that are applied to the handle of a screwdriver when you twist it.
  • C. The forces that are applied to a cross wench to loosen or tighten the lug nuts on a wheel of a car.
  • D. The forces that are applied to the steering wheel of a car when you turn it.
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