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
by Sunday | May 21 | Physics WAEC
A. farad B. ampere C. coulomb D. volt Correct Answer: Option C C. coulomb
by Sunday | May 21 | Physics WAEC
A. 14.4 naira B. 12.5 naira C. 7.2 naira D. 2.0 naira Correct Answer: Option C C. 7.2 naira Explanation Cost = P(Kwh) x Cost per KW = {(60×24)/1000}×N5=N7.2
by Sunday | May 21 | Physics WAEC
A. 36.0Ω B. 15.0Ω C. 9.0Ω D. 4.0Ω Correct Answer: Option D D. 4.0Ω Explanation R = v/I=12/3=4Ω
by Sunday | May 21 | Physics WAEC
A. control of local action B. depolarisation of the cell C. regulating current flow in the cell D. reduction of the internal resistance of the cell Correct Answer: Option B B. depolarisation of the cell