Answer:
The first is the closest in absolute values.
The second two are vague and the last is approximate.
Well if you didn't you could make mistakes, which would lead ,in the best case, at a fail of the circuit , or if it goes out of control it could be dangerous
for example you have to know that the wires become hot and they loose their abbilitys as connecters(the hotter it will, the more energy you lose becouse the R will be bigger)
The answer to this question is B I think
Answer:
3a, 2b,4c,1d
Explanation:
what do I need to explain just something you know
