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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 process of adding impurities to a semiconductor material to increase its conductivity is
Which of these gas laws is equivalent to workdone
If a body in linear motion changes from point P to Q, the motion is
In a series resonant circuit, the current flowing in the circuit is
The thermometer whose thermometric property is change in volume with temperature is
The distance between two successive crests of a water wave is 0.25m. If a particle on the surface of the water makes four complete vertical oscillations in one second. Calculate the speed of the wave.
A mass of gas at 40mmHg is heated from 298k to 348k at constant volume. Cal the pressure exerted by the gas.
The energy of light of frequency 2.0 x 10\(^{15}\)Hz is (h = 6.63 x 10\(^{-34}\)Js)
How much joules of heat are given out when a piece of iron, of mass 60g and specific heat capacity 460JKg\(^{-1}\)K\(^{-1}\), cools from 75ºC to 35ºC
A thick glass tumbler cracks when boiling water is poured into it because
Which of the following is not a part of model rocket?
A sonometer's fundamental note is 50Hz, what is the new frequency when the tension is four times the original?
288KJ is conducted across two opposite faces of a 3m cube of temperature gradient 90ºCm\(^{-1}\) in 7200s. Calculate the thermal conductivity.
If a sheet of an insulating material is inserted between the plates of an air capacitor, the capacitance will
The moon's acceleration due to gravity is \(\frac{1}{6}\) of the earth's value. The weight of a bowling ball on the moon would be
The dimension of young's modulus,E is given by
A rectifier is a device that changes
In a solar panel, solar beam is concentrated by using
A wheelbarrow inclined at 60º to the horizontal is pushed with a force of 150N. What is the horizontal component of the applied force
Electrolysis can be investigated using