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Questions and Answers
Which type of curve represents Ohm's law?
Which type of curve represents Ohm's law?
- Hyperbola
- Linear (correct)
- Parabola
- Cosine-function
What happens to the ratio of voltage and electric current in a closed circuit?
What happens to the ratio of voltage and electric current in a closed circuit?
- Increases
- Varies
- Remains constant (correct)
- Decreases
Which of the following is NOT a type of energy source?
Which of the following is NOT a type of energy source?
- Rheostat (correct)
- Solar cell
- Battery
- Generator
What happens to the total resistance when resistances of 2Ω, 3Ω, and 5Ω are connected in parallel?
What happens to the total resistance when resistances of 2Ω, 3Ω, and 5Ω are connected in parallel?
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Study Notes
Ohm's Law
- A linear curve represents Ohm's law, indicating a direct proportional relationship between voltage and electric current.
Voltage and Electric Current
- In a closed circuit, the ratio of voltage to electric current remains constant.
Energy Sources
- Nuclear energy is NOT a type of energy source (among the options provided).
Resistances in Parallel
- When resistances of 2Ω, 3Ω, and 5Ω are connected in parallel, the total resistance decreases.
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