Answer the following question

4. Two wires are run along parallel paths. Determine the direction and magnitude of the current in the second wire that would create a net magnetic field of zero at point P. [5 Marks] 3.0 A P 1 = ? 0.020 m 0.050 m 5. A space craft orbiting earth has a coil of wire in it. An astronaut measures a small current in the coil although there is no battery connected to it and there are no magnets on the spacecraft. Explain what causes the current? [3 Marks]