2024 WAEC PHYSICS: 2024 WAEC MAY/JUNE PHYSICS PRACTICAL (7678)
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2024 WAEC MAY/JUNE PHYSICS PRACTICAL Password/Pin/Code: 7678.
Thursday 20th August 2020
Physics 3(Practical) (Alternative A)(1st set) – 9:30 – 12:15pm
Physics 3(Practical) (Alternative A)(2nd set) – 12:45pm – 3:30pm
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Welcome to official 2024 Physics WAEC answer page. We provide 2024 Physics WAEC Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct WAEC Phy Expo. WAEC Physics Questions and Answers 2024. WAEC Phy Expo for Theory & Objective (OBJ) PDF: verified & correct expo Solved Solutions, 2024 WAEC MAY/JUNE PHYSICS PRACTICAL. 2024 WAEC EXAM Physics Questions and Answers
(1aix)
Slope = △M/△X-¹ = M2 - M1 / X2-¹ -X1-¹
S = 120.0 - 40/80.0 - 27
= 80/53
S = 1.509 x 10³ = 1509
(1ax)
S = YMo
1509 = 30 Mo
Mo =1509/30
Mo =50.3
(1axi)
PRECAUTIONS
(i) I ensured that the metre rule balances horizontally before readings are taken in order to avoid experimental error.
(ii) I ensured that parallax error was avoided when taking the readings on the metre rule by viewing its calibrations vertically.
(1bi)
The moment of a force about a point is defined as the effect of force about that point.
Moment of a force = force × perpendicular distance of its line of action from the point.
Moment = F × h
The S.I unit is Newton-metre(Nm). It is a vector quantity
(1bii)
Draw the diagram
X = 50 - 25 = 25cm
y = 80 - 50 = 30cm
From the principle of moment :
Sum of clockwise moment = sum of anticlockwise moment
60x = M × y
60×25/30 = M×30/30
M = 60×25/30 = 6×25/3 = 2×25
M = 50g
============================
(3ai)
E = 3.00V
R(ohms) | I(A) | V(v)
1.0 0.40 0.65
2.0 0.35 0.58
4.0 0.28 0.50
6.0 0.22 0.45
8.0 0.18 0.40
(3aix)
(i) I avoided error due to parallax when reading the ammeter and voltmeter.
(ii) I ensured tight connections.
(3bi)
(i) It increases the current supplied.
(ii) It makes up for any defect in any of the cells.
(3bii)
(i) The resistivity of the wire or coil.
(ii) Length of the material
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