Electric Circuits

Electric Circuits

Multiple Choice

What is a current?

• A constant flow of electricity 
• A path that a current can flow along

Multiple Choice

What is a circuit?

• A constant flow of electricity 
• A path that a current can flow along

Multiple Choice

What are the 3 basic components of a circuit?

• Energy source, Load, Energy Pathway
• Battery, Energy source, Energy Pathway
• Battery, Wire, Energy Pathway
• ALL of them

Multiple Choice

An outlet in a wall and a battery are examples of __________.

• Power source 
• Load
• Energy pathway
• ALL of them 

Multiple Choice

A wire is an example of _____.

• Battery source 
• Energy pathway
• Load
• All of them

Multiple Choice

The light bulb in the circuit is an example of _______. 

• Load
• Battery source
• Energy pathway
• All of them

Multiple Choice

A device that uses electricity. 

• Load 
• Battery Source
• Energy pathway

Multiple Choice

A _______ controls whether an electric device is ON or OFF. 

• electrical switch
• electric circuit

Multiple Choice

If the electric circuit is CLOSED, the switch is _______. 

• ON
• OFF

Multiple Choice

If the electric circuit is OPEN, the switch is ____.

• ON
• OFF

Multiple Choice

A ______ controls the flow of electrons by opening an closing a circuit. 

• electrical switch
• electric circuit

Multiple Choice

We need a _____ circuit for the light bulb to BE ON. 

• closed
• open

Multiple Choice

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

• 3 Amps
• 192 Amps
• 2 Amps
• 4 Amps

Multiple Choice

What resistance is needed to cause a 20A current flow because of a 100V battery?

• 0.2Ώ
• 2000Ώ
• 120Ώ
• 5Ώ

Multiple Choice

What resistance is needed to cause a 50A current flow because of a 500V battery?

• 10Ώ
• 5Ώ
• 2500Ώ
• 550Ώ

Multiple Choice

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V

Multiple Choice

A series circuit has ____ path(s) that the electric current can take. 

• One
• Two 
• Three 
• Four

Multiple Choice

In a parallel circuit, if one connection is broken, all of the connections stop working.

• True
• False

Multiple Choice

What is one problem with using a series circuit? 

• It has a lot of series. 
• If one goes down, they all go down! 
• It doesn't work properly.
• There are no problems. 

Multiple Choice

What is one benefits of using a parallel circuit?  

• It gets confusing.
• There are no problems.
• If one goes down, it does not affect the others. 
• Porque es para llelio. 

Multiple Choice

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

• It will stay lit

• It will go out

• It will get dimmer

• It will dissapear

Multiple Choice

In a parallel circuit if one of the light bulbs burns out the rest _________.

• stop the flow of electricity
•  can still light up
•  will go out
• of the light bulbs burn out also

Multiple Choice

1. Which switch or switches must be closed to make the lamps light?

• Only switch 1

• Only switch 1

• Switches 1 and 2

• Switches 1 , 2 and 3

Multiple Choice

The picture shows an electrical circuit. This circuit is a series circuit because: 

• It has 3 light bulbs.
• The same current flows through all three light bulbs.
• It uses a single battery.
• The electrical current has more than one path to flow through

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Multiple Choice

What kind of circuit is this?

• series
• parallel

Multiple Choice

Does this diagram represent a series or parallel circuit?

• series circuit
• parallel circuit