EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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(II) An electric circuit was accidentally constructed usinga 7.0µ F capacitor instead of the required 16 µ F value.Without removing the 7.0µ F capacitor, what can a technician add to correct this circuit?
(III) Given three capacitors, C = 2.0 µF, C2 = 1.5 µF,
and C3 = 3.0 µF, what arrangement of parallel and series
connections with a 12-V battery will give the minimum
voltage drop across the 2.0-µF capacitor? What is the
minimum voltage drop?
4) Based on the circuit to the right
answer the folowing questbons,
SHOW ALL WORK
ourrent flows h
STEADY STATE
(a) The equivalent capacitance and
resistance is
20uF
c2
(1)
(11)
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(iv)
26ul, 19kn
5.0uF, 6.0kn
2 5.F. 3 Oko
12V
R1
15uF, 14k)
30
Chapter 24 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 24.1 - Graphs for charge versus voltage are shown in Fig....Ch. 24.2 - Two circular plates of radius 5.0 cm are separated...Ch. 24.2 - What is the capacitance per unit length of a...Ch. 24.3 - Consider two identical capacitors C1 = C2 = 10 F....Ch. 24.5 - Return to the Chapter-Opening Question, page 628,...Ch. 24 - Suppose two nearby conductors carry the same...Ch. 24 - Suppose the separation of plates d in a...Ch. 24 - Suppose one of the plates of a parallel-plate...Ch. 24 - When a battery is connected to a capacitor, why do...Ch. 24 - Describe a sample method of measuring 0 using a...
Ch. 24 - Suppose three identical capacitors are connected...Ch. 24 - A large copper sheet of thickness is placed...Ch. 24 - The parallel plates of an isolated capacitor carry...Ch. 24 - If the voltage across a capacitor is doubled, the...Ch. 24 - An isolated charged capacitor has horizontal...Ch. 24 - Suppose a battery remains connected to the...Ch. 24 - How does the energy stored in a capacitor change...Ch. 24 - For dielectrics consisting of polar molecules, how...Ch. 24 - A dielectric is pulled out from between the plates...Ch. 24 - We have seen that the capacitance C depends on the...Ch. 24 - What value might we assign to the dielectric...Ch. 24 - Prob. 5MCQCh. 24 - Prob. 6MCQCh. 24 - Prob. 9MCQCh. 24 - Prob. 11MCQCh. 24 - Prob. 12MCQCh. 24 - Prob. 13MCQCh. 24 - Prob. 1PCh. 24 - Prob. 2PCh. 24 - Prob. 3PCh. 24 - Prob. 4PCh. 24 - Prob. 5PCh. 24 - Prob. 6PCh. 24 - Prob. 7PCh. 24 - Prob. 8PCh. 24 - Prob. 9PCh. 24 - Prob. 10PCh. 24 - Prob. 11PCh. 24 - Prob. 12PCh. 24 - Prob. 13PCh. 24 - Prob. 14PCh. 24 - Prob. 15PCh. 24 - Prob. 16PCh. 24 - Prob. 17PCh. 24 - Prob. 18PCh. 24 - Prob. 19PCh. 24 - Prob. 20PCh. 24 - Prob. 21PCh. 24 - Prob. 22PCh. 24 - Prob. 24PCh. 24 - Prob. 25PCh. 24 - Prob. 26PCh. 24 - Prob. 27PCh. 24 - Prob. 28PCh. 24 - Prob. 29PCh. 24 - Prob. 31PCh. 24 - Prob. 32PCh. 24 - Prob. 33PCh. 24 - Prob. 34PCh. 24 - Prob. 35PCh. 24 - Prob. 36PCh. 24 - Prob. 37PCh. 24 - Prob. 38PCh. 24 - Prob. 39PCh. 24 - Prob. 40PCh. 24 - Prob. 41PCh. 24 - Prob. 42PCh. 24 - Prob. 43PCh. 24 - Prob. 44PCh. 24 - Prob. 45PCh. 24 - Prob. 49PCh. 24 - Prob. 53PCh. 24 - Prob. 54PCh. 24 - Prob. 57PCh. 24 - Prob. 58PCh. 24 - (II) Two different dielectrics fill the space...Ch. 24 - (II) Repeat Problem 60 (Fig. 2431) but assume the...Ch. 24 - Prob. 63PCh. 24 - Prob. 76GPCh. 24 - Prob. 84GPCh. 24 - Prob. 87GP
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- (II) The capacitance of a portion of a circuit is to be reducedfrom 2900 pF to 1200 pF. What capacitance can be added tothe circuit to produce this effect without removing existingcircuit elements? Must any existing connections be brokento accomplish this?arrow_forward(b) A student has three capacitors. Two of the capacitors have a capacitance of 4.0 µF and one has a capacitance of 8.0 µF. Draw labelled circuit diagrams, one in each case, to show how the three capacitors may be connected to give a total capacitance of: (i) 1.6uF (ii) 10µF.arrow_forward(II) Electrocardiographs are often connected as shown in Fig. 19–68. The lead wires to the legs are said to be capac- itively coupled. A time constant of 3.0 s is typical and allows rapid changes in potential to be recorded accurately. If C = 3.0 µF, what value must R have? [Hint: Consider each leg as a separate circuit.] - To left-leg C electrode R Recorder - To right-leg electrode (ground) R C GURE 19-68 ·To arm electrode oblem 53. Amplifierarrow_forward
- (I) (a) Six 4.8µF capacitors are connected in parallel.What is the equivalent capacitance? (b) What is their equivalent capacitance if connected in series?arrow_forward(ii) What will be the value of the voltage drop across the R3 = 80 resistor?| R1 50 R2 100 V 30 V R3 80arrow_forwardNote that the equivalent capacitance Ceg for capacitors in parallel is always greater than the largest in the circuit. (12 µF > 6 µF)arrow_forward
- (III) Two resistors and two uncharged capacitors are arranged as shown in Fig. 19–72. Then a potential difference of 24 V is applied across the combination as shown. (a) What is the potential at point a with switch S open? (Let V = 0 at the negative terminal of the source.) (b) What is the potential at point b with the switch open? (c) When the switch is closed, what is the final potential of point b? (d) How much + charge flows through 24 V 8.8 N 0.48 μF a S the switch S after it is closed? 4.4 2 0.36 μF FIGURE 19–72 Problem 58.arrow_forward(II) You want to design a portable electric blanket that runson a 1.5-V battery. If you use a 0.50-mm-diameter copperwire as the heating element, how long should the wire be ifyou want to generate 18 W of heating power? What happensif you accidentally connect the blanket to a 9.0-V battery?arrow_forward(II) To get an idea how big a farad is, suppose you want to make a 1-F air-filled parallel-plate capacitor for a circuit you are building. To make it a reasonable size, suppose you limit the plate area to 1.0 cm2 What would the gap have to be between the plates? Is this practically achievable?arrow_forward
- Suppose that by mistake you leave ten 50-W light bulbs turned on at your house for 24 hr. Say that the cost of electricity is 6 cents per kW · hr. (i)How many Joules are used by the ten light bulbs over the 24 hours? (ii) calculate the cost for this mistake?arrow_forward(II) A circuit contains a single 250-pF capacitor hookedacross a battery. It is desired to store four times as muchenergy in a combination of two capacitors by adding asingle capacitor to this one. How would you hook it up, andwhat would its value be?arrow_forward(II) A neuron is stimulated with an electric pulse. The actionpotential is detected at a point 3.70 cm down the axon0.0052 s later. When the action potential is detected 7.20 cmfrom the point of stimulation, the time required is 0.0063 s.What is the speed of the electric pulse along the axon? (Whyare two measurements needed instead of only one?)arrow_forward
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