I have an electromagnet. If I detach the two wires from the battery and reattach them to the opposite terminals, how would that change the current and magnetic field?

In a system, when potential energy decreases, then entropy also decreases. true false

Describe the function of the endomembrane system? what organelles are involved?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay