1. Electrical conductivity. Electric current is the flow of electrons in a wire. In metals, the outer electrons of the atoms belong to a cloud of delocalised electrons. They are no longer firmly held by a specific atom, but instead they can move freely through the lattice of positive metal ions. Normally they move randomly.
the BET and the BPT determined to be due by the due date of the tax. Do not file an extension if no tax is due. If you need to make an additional payment in order to have paid 100% of the taxes determined to be due, then you may file your payment online at
If you or your spouse or common-law partner carried on a business in 2015 (other than a business whose expenditures are primarily in connection with a tax shelter), your return for 2015 has to be filed on or before June 15, 2016. However, if you have a balance owing for 2015, you have to pay it on or before April 30, 2016.