Circuit Basics

A voltage must be applied to move the electrons against the _________

• electric field

• magnetic field

• gravitational field

• thermal gradient

Tags

NGSS.MS-PS2-3

Which of the following can be used to move electrons in a circuit using a chemical reaction?

• Resistor

• Battery

• Light bulb

• Switch

Refer to the diagram showing a battery, copper wire, and a fan. What is the direction of current flow in the circuit?

• From high voltage to low voltage

• From low voltage to high voltage

• In both directions at once

• There is no current flow

What is an electric circuit?

• An open loop in which electrons move freely

• A closed loop in which electrons are forced to move by a voltage source

• A wire with no voltage source

• A battery connected to nothing

Fill in the blank: An electric circuit is a ______ loop in which electrons are forced to move by a voltage source.

• closed

• open

• broken

• partial

An open circuit works and allows the light bulb to light up.

• True

• False

The blue circles in the simulator represent:

• Electrons

• Protons

• Neutrons

• Atoms

Tags

NGSS.MS-PS1-1

What does voltage do to electrons according to the electric hill analogy?

• Pulls them down the hill

• Pushes them up to the top of the hill

• Keeps them stationary

• Makes them disappear

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Fill in the blank: The battery angels are really a ________ going on inside the battery.

• chemical reaction

• musical performance

• mechanical process

• electrical wire

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the unit of Voltage?

• Volts (V)

• Amperes (A)

• Ohms (Ω)

• Watts (W)