FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 27, Problem 73P
SSM Wires A and B, having equal lengths of 40.0 m and equal diameters of 2.60 mm, are connected in series. A potential difference of 60.0 V is applied between the ends of the composite wire The resistances are RA = 0.127 Ω and RB = 0.729 Ω. For wire A, what are (a) magnitude J of the current density and (b) potential difference V? (c) Of what type material is wire A made (see Table 26-1)? For Wire B, what are (d) J and (e) V? (f) Of what type material is B made?
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Wires A and B, having equal lengths of 40.0 m and equal diameters of 2.60 mm, are connected in series. A potential difference of 60.0 V is applied between the ends of the composite wire.The resistances are RA =0.127ohm and RB = 0.729 ohm. For wire A, what are (a) magnitude J of the current density and (b) potential difference V? (c) Of what type material is wire A made (see Table 26-1)? For wire B, what are (d) J and (e) V? (f) Of what type material is B made?
Wires A and B, having equal lengths of 40.0 m
and equal diameters of 2.94 mm, are connected
in series. A potential difference of 62.9 V is
applied between the ends of the composite
wire. The resistances are RA = 0.0996 Q and RB
= 0.570 2. For wire A, what are (a) magnitude J
of the current density and (b) potential
difference V? (c) Of what type material is wire
A made (see the table below)? For wire B, what
are (d) J and (e) V? (f) Of what type material is B
made?
Resistivities of Some Materials at Room Temperature (20°C)
Resistivity, p
(N m)
Temperature Coefficient
of Resistivity, a (K¯')
Material
Typical Metals
4.1 x 10-3
4.3 x 10-3
Silver
1.62 x 10-8
Copper
1.69 × 10-8
4.0 x 10-3
4.4 x 10-3
Gold
2.35 x 10-8
Aluminum
2.75 x 10-8
Manganin"
Tungsten
Iron
4.82 x 10-8
0.002 x 10-3
5.25 x 10-8
4.5 x 10-3
6.5 x 10-3
3.9 × 10-3
9.68 x 10-8
Platinum
10.6 x 10-8
Typical Semiconductors
2.5 x 103
Silicon, pure
Silicon, n-type
Silicon, p-type
-70 x 10-3
8.7 x 10-4
2.8 x 10-3
Typical Insulators…
Wires A and B, having equal lengths of 41.8 m and equal diameters of 2.89 mm, are connected in series. A potential difference of 61.6 V
is applied between the ends of the composite wire. The resistances are RA = 0.108 0 and Rg - 0.617 0. For wire A, what are (a)
magnitude Jof the current density and (b) potential difference V? (c) Of what type material is wire A made (see the table below)? For
wire B. what are (d) Jand (e) V? (f) Of what type material is B made?
Resistivities of Some Materials at Room Temperature (20°C)
Resistivity, p
(N-m)
Temperature Coefficient
of Resistivity, a (K)
Material
Typical Metals
4.1 x 10-
1.62 x 10-
1.69 x 10-
Silver
4.3 x 10-
Copper
Gold
4.0 x 10-
4.4 x 10-
0.002 x 10-
45 x 10-
6.5 x 10-
2.35 x 10
2.75 x 10-
4.82 x 10-
5.25 x 10-
9.68 x 10-
10.6 x 10-
Aluminum
Manganin
Tungsten
Iron
Platinum
3.9 x 10-
Typical Semiconductors
25 x 10
8,7 x 10-
-70 x 10-
Silicon, pure
Silicon, n-type
Silicon, p-type
2.8 x 10-
Typical Insulators
10- 104
~10M
Glass
Fused…
Chapter 27 Solutions
FUNDAMENTALS OF PHYSICS - EXTENDED
Ch. 27 - You are to connect resistors R1 and R2, with R1R2,...Ch. 27 - A resistor R1 is wired to a battery, then resistor...Ch. 27 - What is the equivalent resistance of three...Ch. 27 - Two resistors are wired to a battery. a In which...Ch. 27 - Initially, a single resistor, R1 is wired to a...Ch. 27 - ILW A car battery with a 12 V emf and an internal...Ch. 27 - A 5.0 A current is set up in a circuit for 6.0 min...Ch. 27 - A standard flashlight battery can deliver about...Ch. 27 - A wire of resistance 5.0 is connected to a...Ch. 27 - A certain car battery with a 12.0 V emf has an...
Ch. 27 - a In electron-volts, how much work does an ideal...Ch. 27 - ILW The current in a single-loop circuit with one...Ch. 27 - A solar cell generates a potential difference of...Ch. 27 - In Fig. 27-9, what is the potential difference Vd ...Ch. 27 - A total resistance of 3.00 is to be produced by...Ch. 27 - When resistors 1 and 2 are connected in series,...Ch. 27 - Prob. 21PCh. 27 - SSM Nine copper wires of length l and diameter d...Ch. 27 - You are given a number of 10 resistors, each...Ch. 27 - In Fig. 27-14, assume that = 3.0 V, r = 100 , R1 =...Ch. 27 - In an RC series circuit, emf = 12.0 V, resistance...Ch. 27 - SSM What multiple of the time constant gives the...Ch. 27 - A capacitor with initial charge q0 is discharge...Ch. 27 - ILW A 15.0 k resistor and a capacitor are...Ch. 27 - A capacitor with an initial potential difference...Ch. 27 - The potential difference between the plates of a...Ch. 27 - A 1.0 F capacitor with an initial stored energy of...Ch. 27 - GO A 3.00 M resistor and a 1.00 F capacitor are...Ch. 27 - SSM Wires A and B, having equal lengths of 40.0 m...Ch. 27 - SSM An initially uncharged capacitor C is fully...Ch. 27 - SSM A controller on an electronic arcade game...Ch. 27 - SSM The starting motor of a car is turning too...Ch. 27 - Two resistors R1 and R2 may be connected either in...Ch. 27 - Thermal energy is to be generated in a 0.10 ...Ch. 27 - A 120 V power line is protected by a 15 A fuse....
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