Have an account?
Skip to Content
Build your own quiz
.png)
20 questions
Show Answers
See Preview
- Interactive video for next 5 questions00:00 / 04:56Watch this video first and then answer the following 15 questions about it.1. Multiple Choice01:1530 seconds1 pt
What device is used to measure voltage in a circuit?
Voltmeter
Ammeter
Resistor
Conductor
2. Multiple Choice01:4230 seconds1 ptHow is current measured in a circuit?
Volts per second
Ohms per second
Coulombs per second
Joules per second
3. Multiple Choice02:3430 seconds1 ptIn a series circuit, how does the total resistance of two components compare to their individual resistances?
It is more than the highest individual resistance.
It is less than the smallest individual resistance.
It is half the sum of the individual resistances.
It is the sum of the individual resistances.
4. Multiple Choice04:1830 seconds1 ptWhat is the total resistance when two resistors of 3 ohms each are connected in parallel?
6 ohms
3 ohms
0.5 ohms
1.5 ohms
5. Multiple Choice04:3730 seconds1 ptHow do you calculate the total resistance in a parallel circuit with resistors of different values?
By subtracting the smaller resistance from the larger
By dividing the sum of the resistances by 2
By adding the resistances
By using the formula 1/R = 1/r1 + 1/r2
- 7. Multiple Choice
What are the two main types of electrical circuits?
Direct and Alternating
Open and Closed
Positive and Negative
Series and Parallel
- 8. Multiple Choice
In a series circuit, how are the components connected?
End to end
In a mesh
Randomly
Side by side
- 9. Multiple Choice
How is a voltmeter connected in a circuit?
In parallel
Across the resistor only
Not connected
In series
- 10. Multiple Choice
What does a voltmeter measure?
Power
Resistance
Current
Voltage
- 11. Multiple Choice
What unit is electric current measured in?
Joules
Amps
Volts
Ohms
- 12. Multiple Choice
How must an ammeter be connected to measure current?
In parallel
In series
Across the battery
Across the resistor
- 13. Multiple Choice
What is resistance measured in?
Coulombs
Ohms
Volts
Amps
- 14. Multiple Choice
In a parallel circuit, how is the voltage across each component?
Zero
The same
Halved
Different for each component
- 15. Multiple Choice
What happens to the total resistance when components are connected in series?
It remains the same
It is the sum of the resistances
It decreases
It is halved
- 16. Multiple Choice
What is the total resistance of two resistors in parallel if one resistor is 3 ohms and the other is also 3 ohms?
1.5 ohms
3 ohms
6 ohms
0.5 ohms
- 17. Multiple Choice
What is the potential difference provided by four cells, each with a potential difference of 1.5 volts?
6 volts
4.5 volts
3 volts
1.5 volts
- 18. Multiple Choice
If the current through a lamp is 0.20 amps and through a resistor is 0.10 amps, what is the reading on the ammeter?
0.20 amps
0.30 amps
0.10 amps
0.15 amps
- 19. Multiple Choice
What is the total resistance if 1/R = 1/10 + 1/5?
2 ohms
3.33 ohms
15 ohms
5 ohms
- 20. Multiple Choice
What analogy is used to describe electric current in the text?
Wind in a tunnel
Birds flying in the sky
Cars on a highway
Water flowing in a pipe
- 21. Multiple Choice
How does resistance affect current flow in an electrical circuit?
It decreases the flow
It has no effect
It increases the flow
It reverses the flow
- Answer choicesTagsAnswer choicesTags