by Sunday | Mar 24 | Physics WAEC
A. electrical energy to chemical energy. B. kinetic energy to potential energy C. electrical energy to mechanical energy D. electrical energy to heat energy. Correct Answer: Option C – electrical energy to mechanical energy Explanation An electric motor is an...
by Sunday | Mar 24 | Physics WAEC
A. pupil B. cornea. C. iris D. optic nerve. Correct Answer: Option A – pupil Explanation The function of the pupil is clearly that of controlling the amount of light entering the eye, and hence the light...
by Sunday | Mar 24 | Physics WAEC
A. temperature B. volume C. wind D. surface area Correct Answer: Option B = volume Explanation The rate of evaporation depends on temperature, presence of wind, the humidity of the surrounding, and the surface area of the liquid exposed to the atmosphere. It...
by Sunday | Mar 24 | Physics WAEC
A. polarization. B. back e.m.f. C. electrolysis. D. local action. Correct Answer: Option A – polarization Explanation Polarization: The hydrogen bubbles which are clinging over the surface of copper electrode anode becomes a thin film of hydrogen over the copper...
by Sunday | Mar 24 | Physics WAEC
A. reduce eddy current. B. reduce magnetic flux. C. increase the magnetic flux. D. reduce its efficiency. Correct Answer: Option A – reduce eddy current. Explanation Laminated iron core means insulating layers glued compact. Now the cores are laminated to reduce...
by Sunday | Mar 24 | Physics WAEC
A. Mass B. Tension C. Weight D. Friction Correct Answer: Option A = Mass Explanation Mass is a measure of how much matter is in an object.