Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 1961: Two 50$\mu$F parallel plate capacitors are connected in series. The combined capacitor is then connected across a 100-V battery. The charge on each plate of the capacitor is Options:
  A) 5.00 x 10^-5C
  B) 2.50 x 10^-3C
  C) 1.25 x 10^-3C
  D) 1.00 x 10^-2C
  Show Answer
  The correct answer is B .
• Question 1962:

  

  In the circuit above, the ammeter reads a current of 5.0 A when R = 8Ω and reads 7.0A when R = 5Ω. The value of the unknown resistance X is

  Options:
  A) 10.0Ω
  B) 7.5Ω
  C) 5.0Ω
  D) 2.5Ω
  Show Answer
  The correct answer is D .
• Question 1963: An example of a scalar quantity is Options:
  A) velocity
  B) weight
  C) electric charge
  D) acceleration due to gravity
  E) momentum
  Show Answer
  The correct answer is C .
• Question 1964: What is the total electrical energy consumed by using an electric cooker rated 1000W for 5 hrs? Options:
  A) 5.3 x 10³J
  B) 6.5 X 10³J
  C) 1.8 X 10⁷J
  D) 2.3 X 10⁷J
  Show Answer
  The correct answer is C .
• Question 1965: The production and type of charge of a body can only be accounted for by the? Options:
  A) deficiency or surplus of electrons
  B) equibrium in protons and neutrons
  C) deficiency or surplus of protrons
  D) deficiency or surplus of neutrons
  Show Answer
  The correct answer is A .
• Question 1966: Which of the following is an essential physical property of the wires used for making fuses? Options:
  A) low density
  B) high thermal conductivity
  C) low electrical resistivity
  D) low melting point
  Show Answer
  The correct answer is D .
• Question 1967: Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts completely in 1 min.What is the power rating of the source of heat? [Latent heat of fusion of ice = 336Jg^-1] Options:
  A) 336W
  B) 450W
  C) 560W
  D) 600W
  Show Answer
  The correct answer is C .
• Question 1968: Which of the following instruments helps to maintain the correct humidity and temperature of a building? Options:
  A) A compressor
  B) A refrigerator
  C) Air blower
  D) Air conditioner
  Show Answer
  The correct answer is D .
• Question 1969: PHCN measures its electrical energy in Options:
  A) W
  B) KWh
  C) Wh
  D) J
  Show Answer
  The correct answer is B .
• Question 1970: If two inductors of inductances 3H and 6H are arranged in series, the total inductance is Options:
  A) 9.0H
  B) 18.0H
  C) 0.5H
  D) 2.0H
  Show Answer
  The correct answer is A .