by Sunday | Aug 31 | Physics WAEC
A. Kinetic energy of a moving atom B. Potential energy of an electron inside an atom C. Change of an electron from a higher to a lower energy level in the atom D. Disturbed proton in the nucleus E. Excitation of an electron in the atom Correct Answer: Option C –...
by Sunday | Aug 31 | Physics WAEC
A. atoms B. ions C. neutrons D. protons E. electrons Correct Answer: Option E – electrons
by Sunday | Aug 31 | Physics WAEC
A. q2/4πεor² B. q/4πεor² C. q²/4πεor D. qr/4πεo E. 4πεoq²r Correct Answer: Option B – q/4πεor²
by Sunday | Aug 31 | Physics WAEC
A. 3.2 x10−²J B. 1.6×10²J C. 8.0×10^-4J D. 4.0×10^-4J E. 2.0×10^-4J Correct Answer: Option B – 1.6×10²J Explanation E = ½cv² = 1/2 x 10 x 10-6 x 40² = 1.6 x 10²J
by Sunday | Aug 31 | Physics WAEC
A. A magnetic Held is a region where a magnetic force can be detected. B. Magnetic fields are scalar quantities. C. The magnitude of the magnetic force experienced by a moving charge depends on the speed on the charge. D. the angle between the direction of the earth’s...
by Sunday | Aug 31 | Physics WAEC
A. same current to flow through the electrical appliances and the lamps B. maximum energy to be consumed at least cost C. same fuse to be used for the electrical appliances and the lamps D. voltage across the appliances not to be affected when the lamps are switched...