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Questions and Answers
What is electric potential difference measured in?
What is electric potential difference measured in?
- Amps (A)
- Watts (W)
- Volts (V) (correct)
- Ohms (Ω)
What happens to the energy lost as current moves through a conductor?
What happens to the energy lost as current moves through a conductor?
- It is converted into mechanical energy
- It is stored in the battery
- It is transferred to the molecules and atoms of the conductor (correct)
- It is dissipated into the air
What does an ammeter measure when connected to a circuit with a heating element?
What does an ammeter measure when connected to a circuit with a heating element?
- Voltage
- Power
- Fairly large current (correct)
- Resistance
What is another term for electric potential difference?
What is another term for electric potential difference?
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How is electric potential energy transformed when an element heats up and glows?
How is electric potential energy transformed when an element heats up and glows?
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Study Notes
Electric Potential Difference
- Electric potential difference is measured in volts (V)
- It is also referred to as voltage
Energy Loss in Conductors
- Energy lost as current moves through a conductor is converted into heat energy
Measuring Current with Ammeters
- An ammeter measures the current flowing through a circuit when connected to a circuit with a heating element
Electric Potential Energy Transformation
- When an element heats up and glows, electric potential energy is transformed into light and heat energy
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