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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 devices is used for storing electric charges?
The diagram above illustrates a meter bridge circuit underbalanced conditions. Determine the value of x.
Which of the following statements is the correct reason for using soft iron in making the armature or an electric bell?
An a.c. the generator can be converted to a d.c. generator by replacing the
The maximum and minimum thermometer reads the
The mass of a load is doubled while the force acting on it is halved. The resulting acceleration of the load is
An 800 kg car moving at 80 km hr\(^{-1}\) collides with a 1200 kg car moving at 40 km hr\(^{-1}\) in the same direction. If the cars stick together, calculate their common velocity.
Which of the following graphs gives the correct relationship between energy and mass when mass is converted to energy.
Which of the following characteristics of waves can a ripple tank be used to demonstrate?
I. Reflection
II. Refraction
III. Diffraction
In which of the following media is the speed of sound the least?
A transverse pulse of frequency 9 Hz traves 4.5m in 0.6 s. Calculate the wavelength of the pulse.
The wire of a platinum resistance thermometer has d resistance of 3.5\(\Omega\) at 0 °C and 10.52\(\Omega\) at 100°C. Calculate the temperature of the wire when its resistance is 7.5\(\Omega\).
Calculate the quantity of heat needed to change the temperature of 60g of ice at 0 °C to 80 °C. [specific latent heat of fusion of ice= 3.36 x 10\(^5\) Jkg\(^{-1}\) specific heat capacity of water 4.2 x 10\(^3\) J kg\(^{-1}\) K\(^{-1}\)]
A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube. The mercury level goes down because the air molecules
Which of the following graphs above of a charge Q against potential difference V across the capacitor is correct?
A freshly demagnetized bar magnet is placed in the East-West direction to ensure that
If the efficiency of a transformer is 100%, which of the following equations would be correct?
Which of the following statements about a moving object is correct?
The diagram above represents an experimental set-up for verifying?
The vacuum in a thermoflask reduces heat loss resulting from