by Sunday | Nov 6 | Physics JAMB
A. Electromagnetic devices B. Magnetic relay device C. None at all D. Sextant Correct Answer: Option B – Magnetic relay device Explanation Magnetic relay device: is the device that controls a circuit (i.e one circuit )if a current in the second circuit is large...
by Sunday | Nov 6 | Physics JAMB
At what respective value of a b and c would the unit of work (joule) be dimensionally similar to Ma Lb Tc? A. 1, – 2, 1 B. 1, 2, – 2 C. 1, 1, –2 D. 2, 2, 1 Correct Answer: Option B – 1, 2, – 2 Explanation Work (w) = Force (f) × Distance (d) Note: f = ma = mass ×...
by Sunday | Nov 6 | Physics JAMB
A. Compression and Rarefaction B. Comparison and Explosion C. Reflection only D. Refraction only Correct Answer: Option A – Compression and Rarefaction Explanation The vibrating particles behave like a spiral spring with a series of compression region and...
by Sunday | Nov 6 | Physics JAMB
A. 0.27g / liters B. 0.25g / liters C. 1.7g / liters D. 0.15g / liters Correct Answer: Option C – 1.7g / liters Explanation θ1=35°CT1=273+θ=73+35=308kP1=5atm d1 = 0.600g/ litre θ2 = 350°C, T2 = 2 + 3 + θ = 273 + 350 = 623k, d2 = ? P2 = 7atm T a P a 1/d = TPK/d...
by Sunday | Nov 6 | Physics JAMB
A. 34m/s B. 3 ×10^6m/s C. 3 ×10^8m/s D. 3 × 10^-8m/s Correct Answer: Option C – 3 ×10^8m/s Explanation A radio wave is an electromagnetic wave which travels with a constant velocity of 3 × 108m/s
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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