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WorksheetsIGCSE PHYSICS ENERGY
Total questions: 15
Worksheet time: 9mins
What is the efficiency of a solar cell if 1000 J of solar energy hits the cell and 200 J are converted into electrical energy?
10%
20%
30%
40%
What is electrical energy converted into when a drill is used?
Kinetic energy
Sound
Heat
All of the above
What is the correct equation for gravitational potential energy
m x g x h
m x g / h
m x h / g
What is the correct equation for kinetic energy
1/2 x m x v2
m x v2
1 / 2 x v x m2
What is energy?
moving energy
stored energy
renewable energy
The ability to do work.
What is potential energy?
moving energy
stored energy
renewable energy
non renewable energy
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
Electricity can be obtained from different energy resources. Which energy resource is used to obtain electricity without producing heat to boil water?
coal
geothermal
hydroelectric
nuclear
What is designed to change electrical energy into kinetic energy?
A. capacitor
B. generator
C. motor
D. transformer
A power station uses nuclear fission to obtain energy. In this process, nuclear energy is first changed into
A. Chemical energy.
B. Electrical energy.
C. Gravitational energy.
D. Internal energy.
