NEED HELP PLEASE

1 - 3 amps R Questions 12, 10, 8 6 and 4 all refer to the circuit above 12) If the potential across R4 Is 10 v, what is the voltage gain across the battery? 10) R3 has a resistance of 5000 ohms, what Is the current going through It?.MY 8) Where does the drop In electrical potential across R2 go? 6) The current through R1 Is 2 amps. Is Its resistance greater or small than the other resistors? Explain 4) By drawing on the circuit above, show where I would put an Ammeter to measure the current through R4? 2) Three wires connected In parallel to a battery stretch across 100 m. Each wire has a diameter of 50 cm and a potential of 110 v across them. The current coming out of the battery Is 11.58 x 106 amps (don't touch them!). Use the resistivity table In your book to determine what type of material makes up the wire