Electricity Current

Electrons stop moving in incomplete circuits

• true

• false

Is the light bulb on or off?

• on

• off

Tags

NGSS.4-PS3-2

The instrument used for measuring electric current is

• galvanometer

• ammeter

• voltmeter

• potentiometer

A material in which electrons are able to move easily

• Circuit

• Insulator 

• Resistance 

• Conductor 

Tags

NGSS.HS-PS2-6

NGSS.HS-PS3-5

Which of the following I-V graph represents ohmic conductors?

• (a) A

• (b) B

• (c) C

• (d) D

All wires used in electric circuits should be covered with:

• colored material.

• conducting material.

• insulating material.

• none of these.

Tags

NGSS.MS-ETS1-1

Resistance is measured in what unit?

• ohms

• amps

• watts

• volts

A(n) ______________________________ is an instrument used to detect the presence of an electric charge.

• scale

• van de graaff generator

• electroscope

Tags

NGSS.MS-PS2-3

The motion of charged particles create electric current. The motion of which particles create current in a conductor, in gases and in electrolyte .

• conductor-electrons

  gases-molecules

  electrolytes-ions

• conductor-molecules

  gases-ions

  electrolytes-electrons

In which mode are the cells connected within the torch light?

• series

• parallel