by Sunday | Nov 3 | Physics JAMB
A. 80.0% B. 76.6% C. 66.7% D. 60.7% Correct Answer: Option C – 66.7% Explanation Efficiency = MA/V.R x 100 V.R = number of pulleys = 6 ma = Load/Effort = 200/50 = 4 Effiecieny = 4/6 × 100 =...
by Sunday | Nov 3 | Physics JAMB
A. Molecules of a liquid are stationary B. Brownian motion is evidence of particle nature of matter C. Matter is made up of molecules D. The molecules of matter are in constant motion Correct Answer: Option A – Molecules of a liquid are stationary Explanation...
by Sunday | Nov 3 | Physics JAMB
A. 12.0% B. 25.0% C. 33.3% D. 75.0% Correct Answer: Option C – 33.3% Explanation Internal resistance determines the maximum current that can be supplied Efficiency = r/R × 100 = 2/6 × 100 =...
by Sunday | Nov 3 | Physics JAMB
A. 7.53 x 105 Jkg−¹ B. 7.53 x 10-2 Jkg−¹ C. 7.53×104 Jkg−¹ D. 7.53 x 10-3 Jkg−¹ Correct Answer: Option C – 7.53×104 Jkg−¹ Explanation Quantity of heat = mass(m) × specific latent heat (L) Q = m/L L = Q/m = 1.13×10^6/15 =...
by Sunday | Nov 3 | Physics JAMB
A. A man supports heavy food above his head with his hands B. A boy climbs onto a table C. A man pushes unto a table D. A woman holds a pot of water Correct Answer: Option B – A boy climbs onto a table Explanation For work to be done, the distance must be...
by Sunday | Nov 3 | Physics JAMB
A. High pressure and low voltage B. High pressure and high voltage C. Low pressure and low voltage D. Low pressure and high voltage Correct Answer: Option D – Low pressure and high voltage Explanation Cathode rays are produced in a discharge tube under Low...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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