electricity and circuits

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