Part A The current in a 100 watt lightbulb is 0.610 A . The filament inside the bulb is 0.250 mm in diameter. What is the current density in the filament? Express your answer to three significant figures and include the appropriate units. HA Value Units Submit Request Answer Part B What is the electron current in the filament? Express your answer using three significant figures. AEQ 89 ? electrons second Submit Request Answer Provide FeedbackV Part A 1.00 x 10- electrons flow through a cross section of a 3.80-mm-diameter iron wire in 4.00 s What is the electron drift speed? AED 89 ? um/s Submit Request Answer Provide FeedbackPart A How many conduction electrons are there in a 1.50 mm diameter gold wire that is 50.0 cm long? 5.21*1022 Submit Previous Answers Correct Part B How far must the sea of electrons in the wire move to deliver -27.0 nC of charge to an electrode? Express your answer with the appropriate units. ? Value Units Submit Previous Answers Request Answer * Incorrect; Try Again; 2 attempts remaining Provide Feedback