IGCSE O Level Physics MCQs: Chapter 2

Energy, Work and Power Multiple Choice Questions (MCQ) PDF Download | 10

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The Energy, Work and Power Multiple Choice Questions (MCQ Quiz) with Answers PDF (Energy, Work and Power MCQ PDF e-Book) download Ch. 2-10 to learn IGCSE O Level Physics Course. Solve Work and Energy Multiple Choice Questions (MCQs), Energy, Work and Power quiz answers PDF to learn online school courses. The Energy, Work and Power MCQ App Download: Free IGCSE O Level Physics App to learn energy and units, efficiency: o level physics, power in physics, work in physics career test for online colleges for teaching.

The MCQs: If a bicycle of mass 15 kg moves at a speed of 50 m s^-1, the E_k of the bicycle is; "Energy, Work and Power" App (Android, iOS) with answers: 5625 j, 18750 j, 37500 j, and 6 × 10^-3 to learn online school courses. Practice Boiling & Condensation Quiz Questions, download Apple e-Book (Free Sample) for online bachelor degree programs.

Energy, Work & Power MCQ with Answers PDF Download: Quiz 10

MCQ: 46

If a bicycle of mass 15 kg moves at a speed of 50 m s^-1, the E_k of the bicycle is

18750 J
5625 J
37500 J
6 × 10^-3

MCQ: 47

SI unit for energy is

Newton
Joules
Ohms
Watts

MCQ: 48

Efficiency of a machine is measured by

(Wasted Energy Output ⁄ Energy Input) × 100 %
(Energy Input ⁄ Wasted Energy Output) × 100 %
(Useful Energy Output ⁄ Energy Input) × 100 %
(Energy Input ⁄ Useful Energy Output) × 100 %

MCQ: 49

An iron of 2000 W uses energy of 240000 J, the time taken by the iron in hours is

1 hour
3 hours
1/2 hour
2 hour

MCQ: 50

When direction of applied force and direction in which object moves are perpendicular to each other, then

no power is used
no work is done
work is done
power is used

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