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Create and set up a CBT environment with your preferred subjects.
Practice JAMB CBT with real UTME past questions in CBT format.
CB-WASSCE styled past question practice.
SSCE & GCE styled past question practice.
The purpose of commutators in a direct current motor is to
The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar
Which of the following devices is associated with alternating currents only?
Which of the following equations is not a correct mirror formula? [The symbols have their usual meanings]
Which part of the human eye performs the same function as the diaphragm in a lens camera?
Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as much as Compared to A, B travels
Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as much as Compared to A, B travels
When an electron jumps directly from an orbit of n = 4 to n = 2,
What is the name given to the force of attraction between the nucleons in the nucleus of an atom?
In the Rutherford scattering experiment, a beam of alpha particles was fired at a thin gold film and few of the particles were deflected considerably. This shows that the nucleus of an atom
A lead bullet of mass 0.05 kg is fired with a speed of 200 m/s into a lead block of mass 0.95 kg at rest. Given that the lead block moves after the impact, determine its kinetic energy.
A ball, P, is released from the roof of a building at the same time as another ball, Q, is thrown vertically upward from the base of the building. Which of the following statements is correct?
The colours of the visible light region of the electromagnetic spectrum that have the shortest and longest wavelengths respectively are
The property of a body that determines the direction of heat flow when the body is in contact with another body is the
The sagging of overhead electrical wires is caused by
A direct current cannot pass through a parallel plate capacitor because
The diagram above illustrates a hot metal suspended at the centre of a closed uniform box. Thermometers E, F, G and H are placed in contact with four sides of the box. Which of the thermometers would register the highest temperature?
A cell of emf 2 V has an internal resistance of 0.5 Ω. A current of 0.4 A passes through an external resistor, P. Determine the resistance of P.
When a light-weight body and a massive body are acted upon by the same force for the same period of time, the
A car, P, with a velocity of 30 m/s is traveling in the same direction as a car, Q, with a velocity of 20 m/s. The velocity of P relative to Q is