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Questions and Answers
What does Ohm's law state?
What does Ohm's law state?
The voltage across a conductor is directly proportional to the current flowing through it.
Under what conditions is Ohm's law valid?
Under what conditions is Ohm's law valid?
All physical conditions and temperatures remain constant.
What happens to the voltage across a conductor if the current flowing through it doubles?
What happens to the voltage across a conductor if the current flowing through it doubles?
The voltage across the conductor also doubles.
Explain the relationship between voltage and current in a conductor according to Ohm's law.
Explain the relationship between voltage and current in a conductor according to Ohm's law.
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What is the mathematical expression for Ohm's law?
What is the mathematical expression for Ohm's law?
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What happens to the temperature of the filament in a light bulb as the current passing through it increases?
What happens to the temperature of the filament in a light bulb as the current passing through it increases?
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What is the unit of resistance and its symbol?
What is the unit of resistance and its symbol?
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Under what conditions does Ohm's law not hold true?
Under what conditions does Ohm's law not hold true?
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