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10 questions
In electric bells electric energy transform into ___ energy.
Mechanical energy
magnetic energy
sound energy
Light energy
____ is the positive terminal of an electrical cell.
Metal disc
Metal case
Metal cap
Metal base
The tiny coiled metal wire present inside the bulb is called ___
Element
Conductor
Filament
None of these
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
An electric bulb has ____ terminals.
3
4
1
2
_____ is an electric device which easily closes or opens an electric circuit.
Filament
Electric bulb
Electric switch
Electric cell
A material which does not allow the electricity to pass through it is _____
Conductor
Electric cell
Insulator
None of these
A material which allows the electricity to pass through it is __
Conductor
Insulator
Transistor
None of these
Electric energy is produced from the ______ within the cell.
Chemicals
Metals
Terminals
None of these
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
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