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Questions and Answers
According to Ohm's Law, what is the relationship between voltage, current, and resistance?
According to Ohm's Law, what is the relationship between voltage, current, and resistance?
- Voltage is directly proportional to resistance
- Voltage is inversely proportional to current
- Voltage is inversely proportional to resistance
- Voltage is directly proportional to current (correct)
What is the unit of measurement for current?
What is the unit of measurement for current?
- Ohms
- Volts
- Coulombs
- Amperes (correct)
Which direction is the convention for the flow of current?
Which direction is the convention for the flow of current?
- From positive to negative (correct)
- From high voltage to low voltage
- From low voltage to high voltage
- From negative to positive
Which of the following best describes electric current?
Which of the following best describes electric current?
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What is the relationship between voltage and electric charge?
What is the relationship between voltage and electric charge?
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What did scientists in the 19th century struggle to do in regards to electricity?
What did scientists in the 19th century struggle to do in regards to electricity?
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Which equation represents the relationship between power, current, and voltage in a circuit?
Which equation represents the relationship between power, current, and voltage in a circuit?
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What is the unit of power?
What is the unit of power?
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What happens to the resistance of conductive materials when they are cooled to extremely low temperatures?
What happens to the resistance of conductive materials when they are cooled to extremely low temperatures?
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What is Ohm's law?
What is Ohm's law?
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