Physics
7th Edition
ISBN: 9780321625915
Author: Douglas C. Giancoli
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 28P
Determine the magnitudes and directions of the currents in each resistor shown in Fig.19-56. The batteries have emfs of E1= 9.0 V and E2 = 12.0 V and the resistors have values of R1=25Ω, R2=68Ω, and R2=35Ω (a) ignore internal resistance of the batteries.(b) Assume each battery has internal resistance r=1.0Ω.
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Additional Problems
70 Go Each of the six real batteries in
Fig. 27-68 has an emf of 20 V and a resistance
of 4.0 n. (a) What is the current through the
(external) resistance R = 4.0 0? (b) What is
the potential difference across each battery?
(c) What is the power of each battery? (d) At
what rate does each battery transfer energy
to internal thermal energy?
Figure 27-68
Problem 70.
What are the readings of the voltmeters and ammeters in the picture? Assume two significant digits in resistance values.
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During an experiment to verify Ohm's law, the voltage supplied and the current through a circuit are measured.
[Voltage is measured in Volt (V) and current in Ampere (A)].
ww
R
on
Battery
The measured value of the current is I = 3.1 ± 0.2 A and that of the voltage is V = 14 0.5 V. The resistance of
the circuit (in N) can be calculated using the formula, R = V/I,
Calculate the,
a) Resistance (in 2) =
b) Fractional uncertainty in the resistance =
c) Absolute uncertainty (in 2) in the resistance=
Chapter 19 Solutions
Physics
Ch. 19 - Prob. 1OQCh. 19 - Prob. 1QCh. 19 - Prob. 2QCh. 19 - Prob. 3QCh. 19 - Prob. 4QCh. 19 - Prob. 5QCh. 19 - Prob. 6QCh. 19 - Prob. 7QCh. 19 - Prob. 8QCh. 19 - Prob. 9Q
Ch. 19 - Prob. 10QCh. 19 - Prob. 11QCh. 19 - Prob. 12QCh. 19 - Prob. 13QCh. 19 - Prob. 14QCh. 19 - Prob. 15QCh. 19 - Given the circuit shown in Fig. 19-38, use the...Ch. 19 - Prob. 17QCh. 19 - Prob. 18QCh. 19 - 19. What is the main difference between an analog...Ch. 19 - What would happen if you mistakenly used an...Ch. 19 - Prob. 21QCh. 19 - Prob. 22QCh. 19 - Prob. 23QCh. 19 - Prob. 1MCQCh. 19 - Prob. 2MCQCh. 19 - Prob. 3MCQCh. 19 - Prob. 4MCQCh. 19 - Prob. 5MCQCh. 19 - Prob. 6MCQCh. 19 - Prob. 7MCQCh. 19 - Prob. 8MCQCh. 19 - Prob. 9MCQCh. 19 - Prob. 10MCQCh. 19 - Prob. 11MCQCh. 19 - Prob. 12MCQCh. 19 - Prob. 13MCQCh. 19 - Prob. 14MCQCh. 19 - Prob. 15MCQCh. 19 - Calculate the terminal voltage for a battery with...Ch. 19 - Prob. 2PCh. 19 - What is the internal resistance of a 12.0-V car...Ch. 19 - A 650-O and an 1800-O resistor are connected in...Ch. 19 - Prob. 5PCh. 19 - Suppose that you have a 580-O, a 790-O, and a...Ch. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 10PCh. 19 - Prob. 11PCh. 19 - Eight identical bulbs are connected in series...Ch. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Determine (a) the equivalent resistance of the...Ch. 19 - Prob. 17PCh. 19 - (a) Determine the equivalent resistance of the...Ch. 19 - What is the net resistance of the circuit...Ch. 19 - Prob. 20PCh. 19 - Prob. 21PCh. 19 - Prob. 22PCh. 19 - Prob. 23PCh. 19 - Consider the network of resistors shown in Fig....Ch. 19 - Calculate the current in the circuit of Fig....Ch. 19 - Determine the terminal voltage of each battery in...Ch. 19 - For the circuit shown in Fig.19-55, find the...Ch. 19 - Determine the magnitudes and directions of the...Ch. 19 - (a) What is the potential difference between...Ch. 19 - Prob. 30PCh. 19 - 31. (II) Determine the magnitudes V1= 9.0 V R1, =...Ch. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - (a) Determine the currents l1,l2 and l3 in Fig....Ch. 19 - Prob. 35PCh. 19 - Prob. 36PCh. 19 - Prob. 37PCh. 19 - Prob. 38PCh. 19 - A 3.00-F and a 4.00-F capacitor are connected in...Ch. 19 - If 21.0 V is applied across the whole network of...Ch. 19 - The capacitance of a portion of a circuit is to be...Ch. 19 - An electric circuit was accidentally constructed...Ch. 19 - Consider three capacitors, of capacitance 3200...Ch. 19 - Determine the equivalent capacitance between...Ch. 19 - What is the ration of the voltage V1 across...Ch. 19 - A 0.50-F and a 1.4-F capacitor are connected in...Ch. 19 - A circuit contains a single 250-pF capacitor...Ch. 19 - Prob. 48PCh. 19 - Prob. 49PCh. 19 - Given three capacitors. C1= 2.0$ mUF, C2= 1.5 F,...Ch. 19 - Prob. 51PCh. 19 - Prob. 52PCh. 19 - Prob. 53PCh. 19 - In Fig. 19-69 (same as Fig. 19-20a ), the total...Ch. 19 - Prob. 55PCh. 19 - Prob. 56PCh. 19 - Prob. 57PCh. 19 - Two resistors and two uncharged capacitors are...Ch. 19 - Prob. 59PCh. 19 - Prob. 60PCh. 19 - Prob. 61PCh. 19 - A galvanometer has an internal resistance of 32 ...Ch. 19 - Prob. 63PCh. 19 - Prob. 64PCh. 19 - Prob. 65PCh. 19 - Prob. 66PCh. 19 - Prob. 67GPCh. 19 - Prob. 68GPCh. 19 - Prob. 69GPCh. 19 - Prob. 70GPCh. 19 - A heart pacemaker is designed to operate at 72...Ch. 19 - Prob. 72GPCh. 19 - Prob. 73GPCh. 19 - Prob. 74GPCh. 19 - Prob. 75GPCh. 19 - Prob. 76GPCh. 19 - Prob. 77GPCh. 19 - Prob. 78GPCh. 19 - Prob. 79GPCh. 19 - Prob. 80GPCh. 19 - Prob. 81GPCh. 19 - Prob. 82GPCh. 19 - Prob. 83GPCh. 19 - (a) What is the equivlaent resistance of the...Ch. 19 - Prob. 85GPCh. 19 - Prob. 86GPCh. 19 - Prob. 87GPCh. 19 - In Fig. 19-86, let V= 10.0 V and C1=C2=C3=25.4 F....Ch. 19 - 89. A 12.0-V battery, two resistors, and two...Ch. 19 - Prob. 90GPCh. 19 - Prob. 91GPCh. 19 - Prob. 92GPCh. 19 - Prob. 93GPCh. 19 - Prob. 94GPCh. 19 - The variable capacitance of an old radio tuner...Ch. 19 - Prob. 96GPCh. 19 - Prob. 97GP
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- 14 O In Fig. 27-32a, both batteries have emf & = 1.20 V and the external resistance R is a variable resistor. Figure 27-32b gives the electric potentials V between the terminals of each battery as func- tions of R: Curve 1 corresponds to battery 1, and curve 2 corre- sponds to battery 2. The horizontal scale is set by R, = 0.20 2. What is the internal resistance of (a) battery 1 and (b) battery 2? 0.5 -0.3 R (2) (a) (6) (A)Aarrow_forwardWhen a R = 88.7 Q resistor is connected across a 11.1 V battery, a current of 112.8 mA flows. What is the internal resistance of the battery and Terminal voltage of the battery? (1) E(MF) Rexternal external Rinterna (a) internal resistance of the battery(in 2) = (b) Terminal voltage of the battery in V = .--- Batteryarrow_forwardPage of 8 4 Reference figure for N. 13-15. Three resistors are connected as shown in the figure. The potential difference between points A and B is 26 V. 2.0 2 3.0 2 4.0 2 N. 13. What is the equivalent resistance between the points A and B? A) 3.8 Q B) 4.3 Q C) 5.1 Q D) 6.8 Q E) 9.0 0 Ans: B N. 14. How much current flows through the 3-0 resistor? A) 2.0 A B) 4.0 A C) 6.0 A D) 8.7 A E) 10.0 A Ans: C N. 15. How much current flows through the 2-Q resistor? A) 2.0 A B) 4.0 A C) 6.0 A D) 8.7 A E) 10.0 A Ans: B DELL F10 F11 F12 PrtScr Insert Delete F4 F5 F6 F7 F8 F9arrow_forward
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