Flashcards on Electric circuit: current, voltage and resistance
Electric Circuit: Current, Voltage, Resistance Explained
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Electric Circuits
44 cards
Card 1
Question: What is an electric circuit?
Answer: An electric circuit is a closed loop through which electric charge can flow.
Card 2
Question: What makes an electric circuit 'complete'?
Answer: For a circuit to function, it must be complete, forming a continuous path from the energy source, through various components, and back to the source.
Card 3
Question: What happens if a circuit's path is broken?
Answer: If the path is broken at any point, the circuit is open, and no charge can flow.
Card 4
Question: What are the fundamental components of a simple electric circuit?
Answer: The fundamental components of a simple circuit include an energy source, a load (or consumer), and conductors to connect them. A switch is often inclu
Card 5
Question: What is the role of an energy source in an electric circuit?
Answer: An energy source, such as a battery or a power supply, provides the electrical energy needed to drive the charge around the circuit. It creates an ele
Card 6
Question: What is a load in an electric circuit?
Answer: A load is any component that uses electrical energy and converts it into another form, such as light (a light bulb), heat (a resistor), or mechanical
Card 7
Question: What are conductors in an electric circuit and what is their function?
Answer: Conductors, typically wires made of materials like copper, provide an easy path for electric charge to move due to their low electrical resistance.
Card 8
Question: What is an electric switch?
Answer: An electric switch is a device used to open or close a circuit, thereby starting or stopping the flow of current.
Card 9
Question: Define electric current.
Answer: Electric current (I) is defined as the rate of flow of electric charge.
Card 10
Question: What are the charge carriers in most common metallic circuits?
Answer: In most common circuits, especially those with metal wires, the charge carriers are electrons.