FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Chapter 27, Problem 3P
ILW A car battery with a 12 V emf and an internal resistance of 0.040 Ω is being charged with a current of 50 A. What are (a) the potential difference V across the terminals, (b) the rate Pr of energy dissipation inside the battery, and (c) the rate Pemf of energy conversion to chemical form? When the battery is used to supply 50 A to the starter motor, what are (d) V and (e) Pr?
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A car battery with a 12 V emf and an internal resistance of 0.040 is being charged with a current of 50 A. What are (a) the potential difference V across the terminals, (b) the rate Pr of energy dissipation inside the battery, and (c) the rate Pemf of energy conversion to chemical form? When the battery is used to supply 50 A to the starter motor, what are (d) V and (e) Pr?
A 12.0 V emf automobile battery has a terminal voltage of 16.8 V when being charged by a current of 11.0 A.
(a) What is the battery's internal resistance (in N)?
Ω
(b) What power (in W) is dissipated inside the battery?
W
(c) At what rate (in °C/min) will its temperature increase if its mass is 20.0 kg and it has a specific heat of
0.380 kcal/(kg · °C), assuming no heat escapes?
°C/min
A solar cell generates a potential difference of 0.17 V when a 520 0 resistor is connected across it, and a potential difference of 0.25
V when a 940 resistor is substituted. What are the (a) internal resistance and (b) emf of the solar cell? (c) The area of the cell is 2.5
cm? and the rate per unit area at which it receives energy from light is 5.1 mW/cm². What is the efficiency of the cell for converting
light energy to thermal energy in the 940 Q external resistor?
(a) Number
i
Units
(b) Number
i
Units
(c) Number
Units
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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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