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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.
In storing magnets, the keeper is used to
A galvanometer of full-scale deflection 10 mA has a resistance of 5\(\Omega\). Calculate the shunt needed to convert it to measure currents of 2 A.
A non-conducting vessel contains a liquid of mass 70 g at 25º C. Another 70.0g of the same liquid at 35ºC is quickly poured into the vessel. Determine the final temperature of the mixture
The maximum displacement of particles from equilibrium position in a wave motion is known as
Four pieces of constantan wire, marked E, F, G, and H, each of length 1.0m, are at the temperature. Their respective diameters are 1 mm, 2 mm, 6 mm, and 10 mm. Which wire has the highest resistance?
The correct sequence of ionization power of alpha particle, gamma ray, and beta particle respectively is
Which of the following modes is the most economical method of transmitting electrical power over a long distance?
The phenomenon used for explaining the formation of a rainbow in the sky is
The main difference between X-rays and gamma rays is in their
Atmospheric pressure decreases with an increase in altitude because:
Which of the following statements about a projectile is not correct?
The inside portion of a hollow metal sphere of diameter 20 cm is polished. The portion will therefore form a
In which of the following devices is the thermal expansion considered a disadvantage?
A capacitor described as a mica capacitor has
Which of the following terms has different dimension from the others?
The depolarizing agent in a Leclanché cell is
A boy of mass 40 kg jumps off a stationary skateboard and moves horizontally with a speed of 1.5 m/s while the skateboard moves in the opposite direction with a speed of 20 m/s. Calculate the mass of the skateboard.
The diagram above illustrates two boxes P and Q of masses 27.3 kg and 6.2 kg respectively on a smooth horizontal surface. If a force F of 150 N is applied to the combined forces, calculate the acceleration.
An object 2.0 cm high is placed at the radius of curvature of a concave mirror such that it is perpendicular to the principal axis of the mirror. Determine the height of the image.
Light of energy 1.12 x 10\(^{-18}\) J is incident on a metal of ejected electrons with maximum energy of 8.0 x 10\(^{-19}\)J. Calculate the threshold frequency of the metal. [h = 6.626 x 10\(^{-34}\)Js]