by Sunday | Aug 28 | Physics WAEC
A. the induced charge is constant for a fixed change of force B. a force is exerted on a current-carrying conductor in a magnetic field C. the magnitude of the induced e.m.f in a circuit is proportional to the rate of change of the number of lines of force linking the...
by Sunday | Aug 28 | Physics WAEC
A. 5.0Ω B. 4.5Ω C. 2.4Ω D. 2.0Ω E. 1.8Ω Correct Answer: Option A – 5.0Ω Explanation I = V/R=0.9/3 = 0.3 r = E/I =1.5/0.3 = 5.0Ω
by Sunday | Aug 28 | Physics WAEC
A. amount of current passed B. direction of current C. magnetic material used D. size of the magnetic material E. orientation of the magnetic material in space Correct Answer: Option B – direction of current
by Sunday | Aug 28 | Physics WAEC
A. 36.0N B. 12.0N C. 6.0N D. 2.0N E. 1.0N Correct Answer: Option A – 36.0N Explanation 1/6FE=FMOON FE = R = 6Fm = 6 x 6 = 36N
by Sunday | Aug 28 | Physics WAEC
A. infra-red rays B. gamma rays C. sound waves D. water waves E. micro waves Correct Answer: Option D – water waves