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WorksheetsENERGY-2A REVISION
Total questions: 10
Worksheet time: 4mins
The capacity to do work is called (a) .
Power depends on time
true
false
depends on energy
depends on mass
Energy cannot be converted from one form to another
true
false
depends on the amount of work done
cant say
Power can be stored
true
false
sometimes
in batteries
Magnetic energy is a form of
potential energy
kinetic energy
stored energy
stored and potential energy
Movement of electrical charges constitute electrical energy which is a form of
potential energy
kinetic energy
energy in action
kinetic and energy in action
The generator converts the mechanical energy of the rotating blades of a turbine into ____________ energy
electric energy
power
energy
none of the above
A cat weighing 5 kg is sitting on a roof 10 m above the ground. calculate its potential energy. (g= 10 m/s2)
500 J
50 J
5 J
5000 J
The sum total of energies of all kinds in an isolated system always _________________
remains constant
keep increasing
keep changing
keep decreasing
Light energy is because of movement of (a)
