STUDENT'S NAME: DATE: 3. 2 Electric Current and DC Circuits od bresaola D Macro and Micro Views of Electric Current 3.1 A current of 3.7 A flows through a wire. How many electrons pass a fixed point in 15 seconds? bem c E o mo os Stoties to comediaW m oboma Torniss A (A) Slotiviteiten in electrons 3.2 The density of mobile electrons in a certain wire is n = 9.1x10 electrons /cm'. Also, the wire has a cross-sectional radius of 0.75 mm and carries an electric current of 2.1 A. What is the drift velocity, of the electrons? or wont w VIDEOS bolo to mow (8) in ons Workbook 3 Edition Problem Submitted for Credit. Work Done By Student Only. 47. STUDENT'S NAME: DATE: M 3. Electric Current and DC Circuits Resistance Ohm's Law ali In The Battery and Electromotive Force w Power Loss and Power Supply Power Lose 3.3 (A) A certain resistor is made from a wire whose length is 125 m, whose radius is 0.5 mm and which has a resistivity of 4.72 x 102 m. What is the resistance of this resistor? onso wat bel anosolo ai 15 anos slidomo nobi i RAL.Sto c ol no sistemom 20.010 2011 2010 Senos l o in (B) When the resistor of part (A) is connected to a 12 V battery, what current will flow through the resistor? (C) What power loss will occur at the resistor in part (B)? Workbook 3 Edition Problem Submitted for Credit. Work Done By Student Only. -48-