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WorksheetsAD Exam Revision - Physics
Total questions: 46
Worksheet time: 36mins
Which form of energy do windmills (molinos) use to generate electricity?
Thermal energy
Light energy
Kinetic energy
Gravitational potential energy
What type of energy is being transformed when you use a hairdryer?
From thermal energy to electrical energy
From electrical energy to kinetic energy
From electrical energy to thermal energy
From kinetic energy to thermal energy
What type of energy is being transformed when you use a washing machine?
From electrical energy to kinetic energy
From electrical energy to light energy
From electrical energy to sound energy
From electrical energy to chemical energy
What type of energy is being transformed when you use a flashlight?
From chemical energy to electrical energy
From electrical energy to thermal energy
From chemical energy to light energy
From electrical energy to light energy
Energy can't be created or destroyed. It can only be transfered
True
False
The energy associated with movement is called...
Chemical energy
Thermal energy
Sound energy
Kinetic energy
The energy associated with all bodies or objects tha can emit heat is...
Light energy
Thermal energy
Sun energy
Graviational potential energy
Efficiency is calculated by useful energy output divided by total energy input, expressed as a percentage
False
True
Select the correct advantages of circuit breakers over fuses.
Circuit breakers can be reset.
Circuit breakers are cheaper.
Circuit breakers stop the current faster.
(I X R)
Voltage divided by Resistance
(V / R)
Current
Power
Ohms
Watts
