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
by Sunday | Aug 28 | Physics WAEC
A sonometer wire under a tension of N10N, produces a frequency of 250Hz when plucked. Keeping the length of the wire constant, the tension is adjusted to produce a new frequency of 350Hz. Calculate the new tension A. 39.2N B. 19.6N C. 14.2N D. 7.4N E. 5.1N Correct...
by Sunday | Aug 28 | Physics WAEC
i. brightness of the object. ii. diameter of the aperture stop. iii. speed of the shutter. A. i, ii and iii B. i and ii only C. i and ii only D. ii and iii only E. iii only Correct Answer: Option E – iii...