by Sunday | Jan 11 | Physics JAMB
A. molten mercury B. molten steel C. molten iron D. molten copper JAMB CBT Software 2023 – Free Download Correct Answer: Option A – molten mercury Explanation Mercury is a heavy, silvery-white liquid metal. Compared to other metals, it is a poor conductor...
by Sunday | Jan 11 | Physics JAMB
A. temperature B. mass C. specific heat capacity D. melting point Correct Answer: Option D – melting point Explanation Internal energy is affected by factors such as pressure, volume, and temperature. All of the variables in this list are state functions. Mass,...
by Sunday | Jan 11 | Physics JAMB
A. 4.00 V B. 2.20 V C. 0.15 V D. 8.00 V Correct Answer: Option B = 2.20 V Explanation Lost voltage = I x R = 4 x 0.55 = 2.2V
by Sunday | Jan 11 | Physics JAMB
A. γ = α−3 B. γ = α C. 3α D. γ = α3 Correct Answer: Option C = 3α Explanation volumetric expansion (γ) = 3x Linear expansion
by Sunday | Jan 11 | Physics JAMB
A. increase weight of tyres B. increase friction C. increase its longevity D. look good Correct Answer: Option B – increase friction Explanation Tire treads provide your tires the ability to grip the road safely enhancing proper traction. Helps your vehicle to...
by Sunday | Jan 11 | Physics JAMB
A. 3.20 ms−2 B. 0.25 ms−2 C. 0.80 ms−2 D. 4.00 ms−2 Correct Answer: Option C = 0.80 ms−2 Explanation S = ut + ½at² 40 = 0 x 10 + ½a x 10² 50a = 40 a = 40/50 = 0.8m/s²