Resistors
About the Lecture
The lecture Resistors by Jared Rovny, PhD is from the course Circuit Elements.
Included Quiz Questions
Which of the following is TRUE about resistivity?
- It does not depend on the geometry of the resistor.
- It is equal to the resistance.
- It is the reciprocal of the resistance.
- It depends only on an object’s length and cross-sectional area.
- It depends only on the geometry of the resistor.
If you double the current flowing through a resistor, by what factor does the rate of energy loss change?
- 4
- 2
- 11/2
- 1/4
- 1
You connect a 5 Ω and a 10 Ω resistor end-to-end. Is this a series or parallel configuration of resistors, and what is the total equivalent resistance?
- Series, 15 Ω
- Parallel, 15 Ω
- Series, 50 Ω
- Parallel, 50 Ω
- Parallel, 3/10 Ω
You split a circuit into two branches containing a 10 Ω resistor each. What is this configuration of resistors called, and what is the total equivalent resistance?
- Parallel, 5 Ω
- Parallel, 20 Ω
- Parallel, 100 Ω
- Series, 20 Ω
- Series, 5 Ω
Two series resistors connect to a 12 V battery. If 7.5 Volts drop across the first resistor, how many drop across the second resistor?
- 4.5 V
- 12/7.5 V
- 7.5/12 V
- 7.5 V
- 3.5 V
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Author of lecture Resistors
Jared Rovny, PhD
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