Practice Limitations Of Ohm's Law (3.6) - CURRENT ELECTRICITY

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6 sample questions

Question 1.
What does Ohm's Law state?
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Think of the formula V = IR.
Question 2.
Name one device that does not obey Ohm's Law.
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Consider devices that only allow current in one direction.
3Question 3.
Ohm's Law states that the current is proportional to voltage in which of the following?
- Only resistors
- All materials
- Some materials
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Think about the types of materials which typically follow Ohm's Law.
4Question 4.
True or False: A diode always allows current to flow in both directions.
- True
- False
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Consider how diodes function in circuits.
Question 5.
Design a circuit involving a diode and explain how you would account for its non-linear V-I characteristics while ensuring proper function.
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Think about how you'd prevent damage to the diode.
Question 6.
Given a semiconductor with varying V-I characteristics, outline the steps to determine its resistance using experimental data.
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Remember, the linear region is essential for applying Ohm's Law.

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