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
There is no late filing penalty as long as your return is filed within six months of the due date, which is October 15, 2017 for most individuals. Those who do not pay their current year tax liability on or before April 18, 2017 will be charged interest on the unpaid balance and a late payment penalty. 1  Interest will be assessed after April 18, 2017 on any unpaid tax and penalties. The interest rate for 2017 is 3%.