Flashcards on Ohm’s law
Ohm's Law: Essential Guide to Voltage, Current, & Resistance
Tap to flip · Swipe to navigate
Ohm's Law and Electrical Fundamentals
38 cards
Card 1
Question: What three basic concepts are essential to grasp before delving into Ohm's Law?
Answer: Voltage, current, and resistance.
Card 2
Question: What is voltage often described as?
Answer: Electrical potential difference, or the 'push' or 'pressure' that drives electric charges through a circuit.
Card 3
Question: What does voltage represent?
Answer: The energy per unit charge, or the work required to move a unit of charge between two points.
Card 4
Question: What is the unit of voltage?
Answer: Volt (V).
Card 5
Question: Who is the Volt named after?
Answer: Alessandro Volta.
Card 6
Question: What does a higher voltage indicate?
Answer: A stronger 'push' for the charges.
Card 7
Question: How is electric current defined?
Answer: The rate of flow of electric charge.
Card 8
Question: In an electrical circuit, what does current represent?
Answer: The number of electrons passing a point per second.
Card 9
Question: What is the unit of current?
Answer: Ampere (A).
Card 10
Question: Who is the Ampere named after?
Answer: André-Marie Ampère.