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Questions and Answers
According to Ohm's law, which equation correctly represents the relationship between voltage, current, and resistance?
According to Ohm's law, which equation correctly represents the relationship between voltage, current, and resistance?
- R = V/I
- V = IR (correct)
- R = IV
- I = V/R
What is the definition of current?
What is the definition of current?
- The resistance of a conductor
- The rate at which charge flows through a conductor (correct)
- The power dissipated in a circuit
- The voltage across a conductor
How is the resistance of a wire affected if its length is doubled, assuming all other factors remain constant?
How is the resistance of a wire affected if its length is doubled, assuming all other factors remain constant?
- The resistance remains the same
- The resistance becomes half
- The resistance doubles
- The resistance quadruples (correct)
What is the power dissipation in a circuit with a resistance of 10 ohms and a current of 2 amperes?
What is the power dissipation in a circuit with a resistance of 10 ohms and a current of 2 amperes?
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How is the power dissipation in a circuit affected if the resistance is doubled, assuming the current remains constant?
How is the power dissipation in a circuit affected if the resistance is doubled, assuming the current remains constant?
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