Worksheetscurrent and electricity
Total questions: 12
Worksheet time: 11mins
In a computer, electric energy is transformed into all of the following except _______ energy.
kinetic (motion) energy
thermal energy
sound energy
Light energy
____ is the positive terminal of an electrical cell.
Metal disc
Metal case
Metal cap
Metal base
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
_____ is an electric device which easily closes or opens an electric circuit.
Filament
Electric bulb
Electric switch
Electric cell
The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.
Negative to positive
Positive to negative
Positive to positive
None of these
conducts electricity around a circuit
wire
insulator
light bulb
switch
closed pathway that electricity flows through
battery
conductor
insulator
circuit
the power source that pushes electricity around a circuit
light bulb
switch
battery
wire
Electrical energy can be changed to _____ energy in stoves, toasters, and ovens.
sound
light
heat
motion
