Part A The current in a 100 watt lightbulb is 0.70 A. The filament inside the bulb is 0.15 mm in diameter. What is the current density in the filament? Express your answer with the appropriate units. View Available Hint(s) HA 1 0 5 ? J = Value Units Submit Part B What is the electron custint in the filament? Express your answer in electrons per second. View Available Hint(s) AEd electrons per second Submit