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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.
Which of the following statements best describes the particles in a solid at room temperature? They are
A wire of cross-sectional area 2π x 10\(^-{8}\) m\(^2\) and resistivity 1.1 x 10\(^-{8}\) Ω m, has a resistance of 21Ω.
Calculate the length of the wire. [π=22/7]
In the diagram above, a bulb is lit by drawing 2.0A from 440V a.c. source. Calculate the cost of keeping the bulb on for two days at $0.40 per kilowatt-hour.
An electric pressing iron is connected to the mains using an insulated wire. wire becomes very hot.
The heat generated in the wire can be minimized by replacing the wire with one of?
Which of the arrangements of radiations below shows decreasing order of wavelengths?
The components of vectors Q and R are (-3.0, 5.5) and (9.2, 4.4) respectively. Determine the components of Q + R.
Which of the following curved surfaces will produce a real image? I. Concave mirror II. Convex mirror III. Diverging lens IV. Converging lens
Determine the speed of the wave.
The sketched graph above represents a progressive wave moving from the left to the right. The period of the wave is 0.125s.
Determine the values of the amplitude and wavelength, respectively, of the wave.
Which of the following statements about the universal gravitational constant, G, is true?
A current of 2A passes through a wire of resistance 4Ω for 3 minutes. Calculate the energy lost.
The diagram above is an illustration of an a.c. circuit.Calculate the reactance of the capacitor.
Which of the following statements is an effect of compressing gas molecules at constant temperature?
A ball is swung in a horizontal circle of centre O with a constant speed. What is the direction of its acceleration?
Which of the following units is equivalent to the unit of electric current?
An atom that emits an a-particle?
The diagram above illustrates the velocity-time graph of a body. Calculate the distance covered by the body during the motion
The inductive reactance in a circuit of frequency 100Hz is 1ohms. Calculate the inductance of the inductor[π = 3.14]
The handle of a screw jack is 35 cm long and the pitch of the screw is 0.5 cm. What force must be applied at the end of the handle to lift a load of 2000N, if the efficiency of the jack is 30% [π = \(\frac{22}{7}\)]?
A student wishes to measure the potential difference across a resistor,R. She has a galvanometer,G and some connecting wires.
What else does she need?