Electric Currents and Circuits-II

A device for making or breaking an electric circuit.

• Cell

• Filament

• Electric switch

Find the odd one

• Silver

• Copper

• Bakelite

Tags

NGSS.MS-PS1-3

The direction of current flow is taken from

• negative to positive terminal

• Positive to negative terminal

• Both

Which of the following is most ecofriendly?

• Incandescent bulb

• LED

• CFL

Tags

NGSS.MS-ETS1-2

The complete path through which an electric current is flowing is called

• Open circuit

• Closed circuit

• Both

Materials which do not allow electricity to flow through it.

• Insulators

• Conductors

• None

Electrical device has _____ terminals

• 4

• 3

• 2

Allows electricity to flow through them

• Conductors

• Insulators

• None

Thin metal wire inside the electric bulb

• Fiber

• Terminal

• Filament

Tags

NGSS.MS-PS1-4

LED stands for

• Light Emission Diode

• Light Emitting Diode

• Light Electric Diode

Tags

NGSS.MS-PS4-1