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
As a measure of taxpayers convenience, it has been decided to extend the due date of filing of returns from July 31, 2013 to August 5, 2013, the Finance Ministry said. As per the Central Board of Direct Taxes (CBDT), there has been an unprecedented surge in number of returns being e-filed.