by Sunday | Nov 11 | Physics JAMB
A. 0.00 B. εo/4 C. εo/2 D. εo Correct Answer: Option D = εo Explanation Period is the time to complete one cycle of 360o => Periodic Time T ≡ 1 cycle of 360o ∴ T/4 = 360/4 = 90o ∴ Instantaneous e.m.f E = Eo sin ωt = Eo sin 90 But sin 90 = 1: => E = Eo x 1 =...
by Sunday | Nov 11 | Physics JAMB
A. 1600N B. 400N C. 160N D. 40N Correct Answer: Option A = 1600N
by Sunday | Nov 11 | Physics JAMB
A. 2.0 x 10-6K-1 B. 2.1 x 10-6K-1 C. 4.2 x 10-6K-1 D. 6.3 x 10-6K-1 Correct Answer: Option C = 4.2 x 10-6K-1 Explanation If the lineal expansivity = ∝ => area expansivity β= 2∝. And cubic expansivity δ = 3∝. => 6.3 x 10-6 = 3∝ ∴ ∝ = ∴ ∝ = 6.3 x 10-6 = 2.1x 10-6...
by Sunday | Nov 11 | Physics JAMB
A. 3 J B. 4 J C. 5 J D. 6 J Correct Answer: Option A – 3J Explanation Effective component of the force along the horizontal = F cos 60o Work done by this force : 60 F cos 60 x X = 2 x 0.5 x 3 =...
by Sunday | Nov 11 | Physics JAMB
A. p- and n- types respectively B. n- en p- type respectively C. p- type semiconductor D. n- type semiconductors Correct Answer: Option A = p- and n- types respectively Explanation When silicon, a four valency element, is doped with aluminum, a three valency element,...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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