required practical iv characteristics of components

• What relationship are we investigating between components?

  Current and potential difference
• What components are used to investigate a resistor's characteristics?

  Battery, wires, resistor, ammeter, variable resistor, voltmeter
• Which meter measures the current through the resistor?

  Ammeter
• Which meter measures the potential difference across the resistor?

  Voltmeter
• What do you do with the values from the voltmeter and ammeter?

  Record them in a table
• What component is adjusted to obtain a range of readings?

  Variable resistor