by Sunday | May 21 | Physics WAEC
A. close-circuit television camera B. burglar alarm C. solar cells D. periscope Correct Answer: Option D D. periscope
by Sunday | May 21 | Physics WAEC
A. number of electrons is equal to the number of protons B. number of electrons is equal to the number of neutrons C. number of protons is equal to the number of neutrons D. electrons of the atom are buried deeply in the nucleus Correct Answer: Option A A. number of...
by Sunday | May 21 | Physics WAEC
A. mechanical energy B. electrical energy C. chemical energy D. thermal energy Correct Answer: Option B B. electrical energy
by Sunday | May 21 | Physics WAEC
A. a magnetic field is a region in which a magnetic force will be detected B. a magnetic line of force is a path along which magnetic fields are scalar quantities it was free C. magnetic fields are scalar quantities D. neutral point are obtained where the...
by Sunday | May 21 | Physics WAEC
A. 3.2 x 10‾²J B. 1.6 x 10‾²J C. 8.0 x 10^-4J D. 4.0 x 10^-4J Correct Answer: Option B Explanation W = cv²/2=(20×10^−6×40²)/2 = 1.6 x 10‾²J