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WorksheetsWorking Principles of Devices Quiz
Total questions: 25
Worksheet time: 13mins
What is the working principle of a hydraulic press?
Pascal's Law
Archimedes' Principle
Bernoulli's Principle
Hooke's Law
Which principle does a refrigerator use to maintain low temperature?
Boyle's Law
Heat Transfer and Compression
Charles's Law
Joule’s Effect
The working principle of a transformer is based on which phenomenon?
Electromagnetic Induction
Photoelectric Effect
Thermionic Emission
Nuclear Fission
What is the primary working principle of a photovoltaic cell?
Electromagnetic Induction
Photoelectric Effect
Thermoelectric Effect
Nuclear Fusion
A washing machine operates on the principle of:
Centrifugation
Sedimentation
Filtration
Evaporation
What principle does a pressure cooker use for cooking?
Boyle’s Law
Increase in Pressure Increases Boiling Point
Heat Conduction
Joule's Law
The basic working principle of a radar is:
Reflection of Sound Waves
Reflection of Electromagnetic Waves
Refraction of Light
Photoelectric Effect
What is the principle behind fiber optic cables?
Total Internal Reflection
Diffraction of Light
Refraction of Light
Polarization
The principle of sonar is based on:
Reflection of Light
Propagation of Sound Waves in Water
Electromagnetic Radiation
Heat Transfer
A gas turbine works on the principle of:
Rankine Cycle
Brayton Cycle
Carnot Cycle
Otto Cycle
The principle of the electric motor is:
Fleming's Left-Hand Rule
Fleming's Right-Hand Rule
Electromagnetic Induction
Photoelectric Effect
What is the working principle of a microwave oven?
Infrared Radiation
Electromagnetic Heating
Microwave Dielectric Heating
Convection
A thermometer works on the principle of:
Thermal Expansion
Heat Conduction
Radiative Transfer
Joule Heating
The working principle of a generator is:
Electromagnetic Induction
Thermionic Emission
Nuclear Fission
Diffusion
What is the principle behind an air conditioner?
Heat Absorption and Rejection
Heat Conduction
Joule's Law
Radiation
The functioning of an LED is based on:
Thermal Expansion
Electroluminescence
Photoelectric Effect
Electromagnetic Induction
The principle of operation of an X-ray machine is:
Electromagnetic Radiation Emission
Photoelectric Effect
Bremsstrahlung Radiation
Nuclear Fission
The working principle of a laser is based on:
Amplification of Stimulated Emission of Radiation
Electromagnetic Induction
Photoelectric Effect
Refraction of Light
A vacuum cleaner operates on the principle of:
Air Pressure Difference
Thermal Conduction
Centrifugal Force
Diffusion
The principle of operation of a touch screen is:
Capacitive Sensing or Resistive Touch
Electromagnetic Induction
Diffraction of Light
Heat Conduction
A steam engine works on which principle?
Conversion of Heat Energy to Mechanical Work
Conversion of Chemical Energy to Electrical Energy
Electromagnetic Induction
Reflection of Light
What is the principle of working of a camera?
Pinhole Effect and Optics
Electromagnetic Induction
Photoelectric Effect
Heat Radiation
The working principle of a geyser is:
Conversion of Electrical Energy to Heat Energy
Thermal Conduction
Centrifugal Force
Electromagnetic Induction
The principle behind a smoke detector is:
Ionization of Air Molecules
Heat Absorption
Light Reflection
Thermal Expansion
The principle of operation of a barcode scanner is:
Reflection of Light
Electromagnetic Induction
Photoelectric Effect
Diffraction of Light
