by Sunday | Nov 9 | Physics JAMB
A. water B. metals C. wood D. electrolyte Correct Answer: Option B – metals Explanation Resistance in metals are proportional to temperature
by Sunday | Nov 9 | Physics JAMB
A. 600 J B. 50 J C. 133 J D. 250 J Correct Answer: Option A – 600 J Explanation Inductance (L) in series: 4 + 8 = 12 Therefore Energy stored = W = ½LI² = ½ ×12×10² = 600J
by Sunday | Nov 9 | Physics JAMB
A. Low pressure and low p.d B. low pressure and high p.d C. high pressure a low p.d D. high pressure and high p.d Correct Answer: Option B – low pressure and high p.d Explanation Under high potential difference and low-pressure gases are good conductor of...
by Sunday | Nov 9 | Physics JAMB
A. N28 B. N12 C. N16 D. N24 Correct Answer: Option B – N12 Explanation Energy consumed = power x time = lvt = 2 x 250 x 6hr = 300 wh = 3 kwh but 1 kwh = N4 3 kwh = 3 x N4 = N 12
by Sunday | Nov 9 | Physics JAMB
A. Red B. Blue C. Magenta D. yellow E. No correct option Correct Answer: Option E – No correct option Explanation The colour which an object presents to the eye is the colour of light it reflects. Red rose flower will therefore absorb any other colour and...