Question

Your textbook warns you not to touch the electrical mains and not to use the electricity from the mains to conduct simple experiments. It tells you that using cells is all right.

What can you conclude from this?

1 The body does not conduct electricity from cells.
2 Electricity from cells and mains, obey different laws.
3 A cell drives only a very small current through the body and is safe.
4 Electricity from the mains is more expensive compared to electricity from the cell.

Answer 1

2 Electricity from cells and mains, obey different laws.