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Name a device that helps to maintain potential difference across a conductor?
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Name a device that helps to maintain potential difference across a con...
Device to maintain potential difference across a conductor:
Voltage Source:
- A device that helps to maintain potential difference across a conductor is a voltage source.
- A voltage source is a device that provides a constant potential difference between its terminals, allowing a current to flow through a circuit.
Explanation:
- In an electric circuit, the potential difference (voltage) is the driving force that pushes the electric charges to move through the conductor.
- When a voltage source is connected to a conductor, it establishes a potential difference across the conductor, creating an electric field that drives the flow of electric charges.
- The voltage source maintains a constant potential difference across the conductor, ensuring a continuous flow of current through the circuit.
Types of Voltage Sources:
- There are two main types of voltage sources:
- DC (Direct Current) voltage sources, such as batteries, solar cells, and DC power supplies, provide a constant voltage output.
- AC (Alternating Current) voltage sources, such as generators and inverters, provide a constantly changing voltage output.
Importance of Maintaining Potential Difference:
- Maintaining a consistent potential difference across a conductor is crucial for the proper functioning of electrical devices and circuits.
- It ensures the flow of electric current at the desired rate and helps in powering electronic devices efficiently.
- Without a stable potential difference, the circuit may malfunction or fail to operate as intended.
In conclusion, a voltage source plays a vital role in maintaining the potential difference across a conductor, ensuring the smooth flow of electric current in an electric circuit.
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