by Sunday | Nov 8 | Physics JAMB
A. gains both potential and kinetic energy B. gains potential energy and lose kinetic energy C. loses potential energy and gains kinetic energy D. loses both potential and kinetic energy Correct Answer: Option A – gains both potential and kinetic...
by Sunday | Nov 8 | Physics JAMB
A. 9A B. 8A C. 7A D. 6A Correct Answer: Option B = 8A Explanation I = P/v I = 2000/250 I = 8A
by Sunday | Nov 8 | Physics JAMB
A. N90 B. N50 C. N45 D. N5 Correct Answer: Option C – N45 Explanation P = 40 x 10 + 100 x 5 P = 400 + 500 = 900W Cost = (900×10×5)/1000 Cost = N45
by Sunday | Nov 8 | Physics JAMB
A. electrolytes B. metals C. diode D. glass Correct Answer: Option B – metals
by Sunday | Nov 8 | Physics JAMB
A. 4.0Ω B. 3.0Ω C. 1.5Ω D. 1.0Ω Correct Answer: Option A – 4.0Ω Explanation r = E/I−R r = (1.5/0.3)−1 r = 4Ω
by Sunday | Nov 8 | Physics JAMB
A. control circuits B. prevent distortion of electric fields C. prevent electric sparks D. dissipate energy Correct Answer: Option C – prevent electric sparks