by Sunday | Jan 11 | Physics JAMB
A. X B. Z C. Y D. K Correct Answer: Option A = X Explanation The electric field at the surface of the conductor is perpendicular to the surface. Charge accumulates, and the field is strongest, on pointy parts of the...
by Sunday | Jan 11 | Physics JAMB
A. sugar tongs B. claw hammer C. plier D. wheelbarrow Correct Answer: Option C – wheelbarrow Explanation Examples of first class levers are pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance. A wheelbarrow, a bottle opener, and an oar...
by Sunday | Jan 11 | Physics JAMB
A. 2400 J B. 9600 J C. 1500 J D. 1200 J Correct Answer: Option A = 2400 J Explanation Energy = power x time Power = voltage x current. Energy = voltage x current x time Energy = 40 x 0.5 x 60 x 2 →...
by Sunday | Jan 11 | Physics JAMB
A. the particles are closely packed together; they occupy minimum space are usually arranged in a regular pattern B. the particles vibrate about fixed positions and are held together by the strong intermolecular bonds between them C. the molecules are very far apart...
by Sunday | Jan 11 | Physics JAMB
A. reading the magnitude of magnetic flux B. controlling another circuit carrying a larger current C. turning in sports D. storing magnetic field Correct Answer: Option B – controlling another circuit carrying a larger current Explanation Relays are electrically...