Question

Chapter 27. Problem 073 Wires A and B having equal lengths of 40.4 m and equal diameters of 2.93 mm, are connected in series. A potevalcifference of 61.0 V applied between the end of the composite wire. The resistances are RA-0.101 and Ra=0.580 A For Wire A, what are (n) magnitude of the current density and (b) potential difference V (c) of what type material is wire A made (see the table below)? For wire, what are (d)) and (e) V2 (1) of what type material is made? Resistivities of Some Materials Room Temperature (20) Resiste Material of Rea (K ) Tipi Metal 182 x 10- 150 x 10+ 4 x 10- 43x10- 40 X 10- Gold 2.35 x 10- RX10 x 10 Mini Thesen 65 x 10 TS Sco Scope Silicon.ptype 710 Tip 100H sed quart despite

Answer 1

Giv VAZ VBXRA RB VA VB * 0.101 0.580 VA 0.174 YB NA + Y3=61 0.174VB TVB 261 VB = 61 =52v 1.174 NA 29.04 IA JB: Isa VB ang AMOX RB SA NA JA 9 242187 20.61 JB = A ( 29.05 x 0.550 JA- 13:3x18 Air JB = 13:3x10 Alm PA = RAT da PB = RBT as 4XLB 4 LA Po: 0.101x1x12-93x1ő?) 4 x 40.4 = copper CA 1-68 x 10 mm e 0.580 A (2.93x102 9.678103 TB - 4 x 4o.4 a Inon J2 13:3x108 Alu | J = 13-3810 14h V = 52.04 V = 9.00 Metal - copper Metal- I non