(a) Units ​

2.1 use the following units: ampere (A), coulomb (C), joule (J), ohm (W), second (s), volt (V), watt (W). ​

• Unit of current: ampere (A)
• Unit of charge: coulomb (C)
• Unit of energy: Joule (J)
• Unit of resistance: ohm (Ω)
• Unit of time: second (s)
• Unit of voltage or potential difference: volt (V)
• Unit of Power: watt (W)