The unit expresses a value, whilst the symbol is just that: a symbol in a formula, and it’s important not to get the two mixed up.
Also, don’t confuse the symbols, as they may not always be obvious. For example, it’s easy to remember C is for capacitance but then it can’t be used again for current, so current is allocated the symbol I, which appears unrelated!
Use the table below to help you remember:
Find out more tips to help you with electronics in Electronics in easy steps.
By Bill Mantovani