Resistance
Cards (21)
- What does electricity involve in an electric circuit?
- What type of energy does a cell contain?
- What is carried by the current in a circuit?
- What is the flow of electrons around the circuit called?
- What happens to electrical energy when electrons pass through a lamp?
- What do we use to work out energy transfers in a circuit?
- What does a potential difference of 9 volts across the lamp indicate?
- What causes energy transfer in components?
- What does resistance tell us?
- What happens to electrons as they move through a conductor?
- What is transferred into other forms of energy when electrons collide with atoms?
- What is the unit for resistance?
- What is the equation for calculating resistance?
- What is the resistance of lamp A with a current of 1 ampere and a potential difference of 1 volt?
- What is the resistance of lamp B with a current of 1 ampere and a potential difference of 10 volts?
- How do you calculate the potential difference needed for a certain current?
- If the current is 0.5 amp and the resistance is 50 ohms, what is the potential difference?
- What is the relationship between potential difference, current, and resistance?
- What are the key concepts related to resistance in circuits?
- What are the steps to calculate resistance in a circuit?
- How can you find the potential difference across a component?