O Level Courses

IGCSE O Level Physics Practice Tests

IGCSE O Level Physics Online Tests

Efficiency O Level Physics Multiple Choice Questions (MCQ) PDF Download

The e-Book Efficiency O Level Physics Multiple Choice Questions (MCQ Quiz) with answers, Efficiency O Level Physics MCQs PDF download to study online igcse physics degree courses. Practice Energy, Work and Power Multiple Choice Questions and Answers (MCQs), Efficiency O Level Physics quiz answers PDF to study online certificate courses. The Efficiency O Level Physics MCQ App Download: Free learning app for energy and units, efficiency: o level physics, work and energy test prep for best online ACT prep class.

The MCQ: Output of a truck is 4500 J and its efficiency is 50%, the input energy provided to the truck is, "Efficiency: O Level Physics" App Download (Free) with answers 5000 j, 900 j, 9000 j and 500 j to study online certificate courses. Study efficiency o level physics quiz questions, download Google eBook (Free Sample) for online colleges that offer certificate programs.

Efficiency O Level Physics MCQs: Questions and Answers PDF Download

MCQ 1: Output of a truck is 4500 J and its efficiency is 50%, the input energy provided to the truck is

A) 5000 J
B) 900 J
C) 9000 J
D) 500 J

MCQ 2: In a typical power station, amid a series of energy transfers and conversions, about 70% of the energy input gets wasted in the form of thermal energy, the efficiency of such a power station is about

A) 0.3
B) 0.4
C) 0.7
D) 1

MCQ 3: A car uses total energy of 2500 J and the output is 750 J. The efficiency of the car is

A) 50%
B) 30%
C) 25%
D) 80%

MCQ 4: Formula for efficiency is

A) (energy input / energy output) × 100
B) (energy input / energy output) × 100
C) (useful energy input / energy output) × 100
D) (useful energy output / total energy input) × 100

MCQ 5: Efficiency of a machine is measured by

A) (Wasted Energy Output ⁄ Energy Input) × 100 %
B) (Energy Input ⁄ Wasted Energy Output) × 100 %
C) (Useful Energy Output ⁄ Energy Input) × 100 %
D) (Energy Input ⁄ Useful Energy Output) × 100 %

IGCSE O Level Physics Practice Tests

Efficiency: O Level Physics Learning App & Free Study Apps

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O Level Physics App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

O Level Physics App (Android & iOS)

O Level Physics App (Android & iOS)

9th Grade Physics App (Android & iOS)

9th Grade Physics App (Android & iOS)

College Physics App (Android & iOS)

College Physics App (Android & iOS)