NECO 2024 Physics OBJ & ESSAY Questions and Answers
NECO 2024 Update
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2024 NECO PHYSICS (OBJECTIVES) QUESTIONS AND ANSWERS:
2024 NECO PHYSICS (ESSAY) QUESTIONS AND ANSWERS:
PHYSICS ESSAY
NUMBER 1
(1ai)
(i) Voltage transformation: Transformers are used to step up or step down voltages, making them a crucial component in power transmission systems.
(ii) Efficient transmission: Transformers enable efficient transmission of power over long distances with minimal loss of energy.
(iii) Isolation: Transformers provide electrical isolation between the primary and secondary circuits, ensuring safety and preventing interference.
(1aii)
Diagram
(1b)
Area = Length x Width
= 100 m x 500 m
= 50,000 m²
Area (acres) = Area (m²) / 4047 m²/acre
= 50,000 m² / 4047 m²/acre
= 12.35 acres
==================
NUMBER 2
==============================
NUMBER 3
NUMBER 3
(3a)
A rolling wheel
(3b)
Given:
F1 = 8 N (acting horizontally)
F2 = 5 N (acting vertically, at a right angle to F1)
Using the Pythagorean theorem:
F = √(F1² + F2²)
= √(8² + 5²)
= √(64 + 25)
= √89
= 9.43 N(3a)
A rolling wheel
(3b)
Given:
F1 = 8 N (acting horizontally)
F2 = 5 N (acting vertically, at a right angle to F1)
Using the Pythagorean theorem:
F = √(F1² + F2²)
= √(8² + 5²)
= √(64 + 25)
= √89
= 9.43 N
==========
NUMBER 4
NUMBER 5
====================
No 7
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