by Sunday | Nov 1 | Physics JAMB
A. 0.3Ω B. 3.3Ω C. 3.6Ω D. 4.8Ω Correct Answer: Option C – 3.6Ω Explanation Power delivered to headlamp = V²/R = 40W R = V²/40 = (12²)/40 = 3.6Ω
by Sunday | Nov 1 | Physics JAMB
A. 0Nm B. 3Nm C. 7Nm D. 10Nm Correct Answer: Option D – 10Nm Explanation Moment = Force × Distance = 5N x 2m = 10Nm
by Sunday | Nov 1 | Physics JAMB
A. electromotive force B. electric potential difference C. electric energy D. kinetic energy Correct Answer: Option B – electric potential difference Explanation Electric potential difference: work needed per unit of charge to move a test charge between the two...
by Sunday | Nov 1 | Physics JAMB
A. 0 B. 12 C. 1 D. 2 Correct Answer: Option C = 1 Explanation I/V = 1/f – 1/u I/V = 1/10 – 1/20 I/V = 1/20 V = 20cm. M = V/U = 20/20 = 1
by Sunday | Nov 1 | Physics JAMB
A. Impulse B. Momentum C. Inertia D. Friction Correct Answer: Option C – Inertia Explanation Inertia, property of a body by virtue of which it opposes any agency that attempts to put it in motion or, if it is moving, to change the magnitude or direction of its...