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2. Parallel vs. Series Circuits Post test

2. Parallel vs. Series Circuits Post test

2. Parallel vs. Series Circuits Post test

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Question 1 of 20

1. Question
1 point(s)

What kind of circuit is this?

Series
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Parallel
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Consecutive
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Training
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Question 2 of 20

2. Question
1 point(s)

Select ALL of the following that are benefits of a Series circuit.

Series circuits do not overheat easily so safe around flammable objects
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If one part of the circuit breaks then all parts of the circuit break
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Easy to make, easy to make repairs
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You can add more power devices, have a higher voltage output
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As more resistors/loads are added the more resistance and the less the resistors work
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Question 3 of 20

3. Question
1 point(s)

Series circuit is

a circuit with more than one path for current to travel
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a circuit that has only one path for the current to travel
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has magnets to help current to travel
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does not allow electric current to travel through it
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Question 4 of 20

4. Question
1 point(s)
The following are properties of Parallel circuits:
1. Every resistor gets an equal amount of voltage
2. Requires a lot of wires
3. Cannot increase or multiply voltage
4. Easy to connect new materials without affect the working of other material
5. Cannot pass the same amount of current through
6. If one part of the circuit does not work then current is able to pass through other parts of the circuit
Select all of the following that are disadvantages of Parallel circuits.
1, 2, 3, 4
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2, 3, 5
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4, 5, 6, 1
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3, 4, 5, 6
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Question 5 of 20

5. Question
1 point(s)

What kind of circuit is this?

Series
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Parallel
Correct Incorrect Correct answer

Consecutive
Correct Incorrect Correct answer

Training
Correct Incorrect Correct answer

Question 6 of 20

6. Question

1 point(s)

Match the following definitions with their correct term.

Sort elements

prevents current overload in a circuit by melting a wire if too much current passes through which inhibits the flow of electricity.
a switch that opens when electrical current in a circuit is too high.
material wrapped around an electrical wire (usually rubber) that protects people from touching bare wires and also prevents short circuits.
the transfer of extra charge through a conductor to Earth which prevents electrical charge from grounding through other objects (causes short circuiting) or through you

Fuse	Correct Incorrect Correct answer

Circuit breaker

Correct Incorrect Correct answer

Insulation

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Grounding

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Question 7 of 20

7. Question
1 point(s)

What ‘flows’ in a wire?

Protons
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Neutrons
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Atoms
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Electrons
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Question 8 of 20

8. Question
1 point(s)

How do most electrical safety devices work?

By allowing the flow of a large amount of electricity
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By remaining unchanged when there is a large surge of electricity
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By preventing a large surge of electricity from passing through
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None of the answer choices
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Question 9 of 20

9. Question
1 point(s)

Which statement is true?

The light bulb will light up because the circuit is complete.
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The light bulb will not light up because the circuit is complete.
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The light bulb will light up because the circuit is broken.
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The light bulb will not light up because the circuit is broken.
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Question 10 of 20

10. Question
1 point(s)

This is the symbol for a _____?

switch
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battery
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light
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wires
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Question 11 of 20

11. Question
1 point(s)

What is one benefit of using a parallel circuit?

It gets confusing.
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If one bulb goes out it does not affect the others.
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If battery powered the battery will last longer.
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It is easier to set up
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Question 12 of 20

12. Question
1 point(s)

stays the same in a series circuit, while stays the same in a parallel circuit.

voltage, resistance
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current, resistance
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current, voltage
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resistance, voltage
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Question 13 of 20

13. Question
1 point(s)

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

It has 3 light bulbs.
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A different amount of current flows through each light bulb.
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The same current flows through all three light bulbs.
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The same voltage flows through each light bulb.
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Question 14 of 20

14. Question
1 point(s)

Which of the following answer choices correctly describes the image?

Series circuit – Bulbs are lit
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Series circuit – Bulbs are off
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Parallel circuit – Bulbs are lit
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Parallel circuit – Bulbs are off
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Question 15 of 20

15. Question
1 point(s)

Two resistors are connected to a source of voltage as shown in the diagram below.

At which position should an ammeter be placed to measure only the current passing through resistor R1?

1
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2
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3
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4
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Question 16 of 20

16. Question
1 point(s)

An electric circuit contains an operating heating element and a lit lamp. Which of the following statements best explains why the lamp remains lit when the heating element is removed from the circuit?

The lamp has less resistance than the heating element.
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The lamp has more resistance than the heating element.
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The lamp and the heating element were connected in series.
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The lamp and the heating element were connected in parallel.
Correct Incorrect Correct answer
Question 17 of 20

17. Question
1 point(s)

The diagram below shows two resistors connected in series to a 20.0-volt battery.

If the current through the 5.0 ohm resistor is 1.0 ampere, what is the current through the 15-ohm resistor?

0.33 A
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1.0 A
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1.3 A
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3.0 A
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Question 18 of 20

18. Question
1 point(s)

Which of the following changes would cause the greatest decrease in the rate of flow of charge through a conducting wire?

decreasing the applied potential difference and decreasing the length of the wire
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decreasing the applied potential difference and increasing the length of the wire
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increasing the applied potential difference and increasing the length of the wire
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increasing the applied potential difference and decreasing the length of the wire
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Question 19 of 20

19. Question
1 point(s)

The diagram shows four different circuits.

Which circuit will stop producing any light if one bulb burns out?

Circuit 1
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Circuit 2
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Circuit 3
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Circuit 4
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Question 20 of 20

20. Question
1 point(s)

Select ALL of the following that are required to make a complete circuit.

Resistor
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Wire
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Switch
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Charger
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Voltage source
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