University Physics Volume 2
18th Edition
ISBN: 9781938168161
Author: OpenStax
Publisher: OpenStax
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Textbook Question
Chapter 10, Problem 67AP
A circuit contains a D cell battery, a switch, a 20-
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The capacitance in the curcuit is C = 0.3μF, the total resistance is R=20kQ and the battery emf is 12 V. Determine the time is takes for the charge the capacitor could acquire, to reach 99% of max value.
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Chapter 10 Solutions
University Physics Volume 2
Ch. 10 - Check Your Understanding If you place a wire...Ch. 10 - Check Your Understanding Some strings of miniature...Ch. 10 - Check Your Understanding Consider the same...Ch. 10 - Check Your Understanding How would you use a river...Ch. 10 - Check Your Understanding Consider the electrical...Ch. 10 - Check Your Understanding In considering the...Ch. 10 - Check Your Understanding When using Kirchhoff’s...Ch. 10 - Check Your Understanding Digital meters are able...Ch. 10 - What effect will the internal resistance of a...Ch. 10 - A battery with an internal resistance of r and an...
Ch. 10 - Show that the power dissipated by the load...Ch. 10 - A voltage occurs across an open switch. What is...Ch. 10 - The severity of a shock depends on die magnitude...Ch. 10 - Suppose you are doing a physics lab that asks you...Ch. 10 - Some light bulbs have three power settings (not...Ch. 10 - Can all of die currents going into the junction...Ch. 10 - Consider the circuit shown below. Does the...Ch. 10 - Do batteries in a circuit always supply power to a...Ch. 10 - What are the advantages and disadvantages of...Ch. 10 - Semi-truck or trucks use four large 12-V...Ch. 10 - What would happen if you placed a voltmeter in...Ch. 10 - What is die basic operation of an ohmmeter as it...Ch. 10 - Why should you not connect an ammeter directly...Ch. 10 - A battery, switch, capacitor, and lamp are...Ch. 10 - When making an ECG measurement, it is important to...Ch. 10 - Why isn’t a short circuit necessarily a shock...Ch. 10 - We are often advised to not flick electric...Ch. 10 - A car battery with a 12-V emf and an internal...Ch. 10 - The label on a battery-powered radio recommends...Ch. 10 - An automobile starter motor has an equivalent...Ch. 10 - (a) What is the internal resistance of a voltage...Ch. 10 - A person with body resistance between his hands of...Ch. 10 - A 12.0-V emf automobile battery has a terminal...Ch. 10 - (a) What is the resistance of a 1.00102 , a 2.50k...Ch. 10 - What are the largest and smallest resistances yon...Ch. 10 - An 1800-W toaster, a 1400-W speaker, and a 75-W...Ch. 10 - Your car’s 30.0-W headlight and 2.40-kW starter...Ch. 10 - (a) Given a 48.0-V battery and 24.0- and 96.0- ...Ch. 10 - Referring to the example combining series and...Ch. 10 - Referring to Figure 10.16, (a) Calculate P3and...Ch. 10 - Refer to Figure 10.17 and the discussion of lights...Ch. 10 - Show that if two resistors R1 and R2 are combined...Ch. 10 - Consider the circuit shown below. The terminal...Ch. 10 - Consider the circuit shown below, (a) Find the...Ch. 10 - Consider the circuits shown below, (a) What is the...Ch. 10 - Consider the circuit shown below. Find V1,I2, and...Ch. 10 - Consider the circuit shown below. Find V1, V2, and...Ch. 10 - Consider the circuit shown below. Find I1, I2,and...Ch. 10 - Consider the circuit shown below, (a)...Ch. 10 - Consider the circuit shown below. Write the three...Ch. 10 - Consider the circuit shown below. Write equations...Ch. 10 - Consider the circuit shown in the preceding...Ch. 10 - A child's electronic toy is supplied by three...Ch. 10 - Apply the junction rule to Junction b shown below....Ch. 10 - Apply the loop rule to Loop afedcba in die...Ch. 10 - Suppose you measure the terminal voltage of a...Ch. 10 - The timing device in an automobile's intermittent...Ch. 10 - A heart pacemaker fires 72 times a minute, each...Ch. 10 - The duration of a photographic flash is related to...Ch. 10 - A 2.00- and a 7.50F capacitor can be connected in...Ch. 10 - A 500 resistor, an uncharged 1.50F capacitor,and a...Ch. 10 - A heart defibrillator being used on a patient has...Ch. 10 - An ECG monitor must have an KC time constant...Ch. 10 - Using the exact exponential treatment, determine...Ch. 10 - If you wish to take a picture of a bullet...Ch. 10 - (a) How much power is dissipated in a short...Ch. 10 - What voltage is involved in a 1.44-kW short...Ch. 10 - Find the current through a person and identify the...Ch. 10 - While taking a bath, a person touches the metal...Ch. 10 - A man foolishly tries to fish a burning piece of...Ch. 10 - (a) During surgery, a current as small as 20.0A...Ch. 10 - (a) What is the resistance of a 220-V ac short...Ch. 10 - A heart defibrillator passes 10.0 A through a...Ch. 10 - A short circuit in a 120-V appliance cord has...Ch. 10 - A circuit contains a D cell battery, a switch, a...Ch. 10 - A circuit contains a D-cell battery, a switch, a...Ch. 10 - Consider the circuit below. The battery has an emf...Ch. 10 - A homemade capacitor is constructed of 2 sheets of...Ch. 10 - A student makes a homemade resistor from a...Ch. 10 - The rather simple circuit shown below is known as...Ch. 10 - Three 300- resistors areconnect in series with...Ch. 10 - Consider a circuit that consists of a real battery...Ch. 10 - Consider the circuit shown below. What is the...Ch. 10 - Consider a circuit consisting of a battery with an...Ch. 10 - Consider the circuit shown below. The terminal...Ch. 10 - Consider the circuit shown below. (a) What is the...Ch. 10 - Consider the circuit shown below. (a)Determine the...Ch. 10 - Two resistors, one having a resistance of 145 ,...Ch. 10 - Two resistors, one having a resistance of 900k are...Ch. 10 - Apply the junction rule at point G shown below.Ch. 10 - Apply the loop rule to Loop akledcba in the...Ch. 10 - Find the currants flowing in the circuit in the...Ch. 10 - Consider the circuit shown below, (a) Find the...Ch. 10 - A flashing lamp in a Christmas earring is based on...Ch. 10 - A 160F capacitor charged to 450 V is...Ch. 10 - Some camera flashes use flash tubes that requite a...Ch. 10 - Consider the circuit shown below. Each battery has...Ch. 10 - Analog meters use a galvanometer, which...Ch. 10 - Analog meters use a galvanometer, which...Ch. 10 - Consider the circuit shown below. Find I1, V1, I2,...Ch. 10 - Consider the circuit below.(a) What is the RC time...Ch. 10 - Consider the circuit below, (a) What is the...Ch. 10 - Consider the infinitely long chain of resistors...Ch. 10 - Consider the circuit below. The capacitor has a...Ch. 10 - A 120-V immersion heater consists of a coil of...Ch. 10 - Find the resistance that must be placed in series...Ch. 10 - Find the resistance that must be placed in...
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- The values of the components in a simple series RC circuit containing a switch (Fig. P21.53) are C = 1.00 F, R = 2.00 106 , and = 10.0 V. At the instant 10.0 s after the switch is closed, calculate (a) the charge on the capacitor, (b) the current in the resistor, (c) the rate at which energy is being stored in the capacitor, and (d) the rate at which energy is being delivered by the battery.arrow_forwardThe timing device in an automobile’s intermittent wiper system is based on an RC time constant and utilizes 0.5.00F capacitor and available resistor. Over what range must R be made to vary to achieve time constants from 2.00 to 15.0 s?arrow_forwardFigure 21.55 shows how a bleeder resistor is used to discharge a capacitor after an electronic device is shut off allowing a person to work on the electronics with less risk of shock, (a) What is the time constant? (b) How long will it take to reduce the voltage on the capacitor to 0.250% (5% of 5%) of its full value once discharge begins? (c) If the capacitor is charged to a voltage V0through a 100-O resistance, calculate the time it takes to rise to 0.865V0(This is about two time constants.)arrow_forward
- Figure P29.60 shows a simple RC circuit with a 2.50-F capacitor, a 3.50-M resistor, a 9.00-V emf, and a switch. What are a. the charge on the capacitor, b. the current in the resistor, c. the rate at which the capacitor is storing energy, and d. the rate at which the battery is delivering energy exactly 7.50 s alter the switch is closed?arrow_forwardThe power dissipated in a resistor is given by P = V2/R, which means power decreases if resistance increases. Yet this power is also given by P = I2R, which means power increases if resistance increases. Explain why there is no contradiction here.arrow_forwardA 2.00- and a 7.50-F capacitor can be connected in series or parallel, as can a 25.0- and a 100k resistor. Calculate the four RC time constants possible from connecting the resulting capacitance and resistance in series.arrow_forward
- Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew = 2R0) while the voltage is adjusted such that the current is constant, what are the ratios (a) Pnew/P0 and (b) Vnew/V0? If, instead, the resistance is held constant while Pnew = 2P0, what are the ratios (c) Vnew/V0, and (d) Inew/I0?arrow_forwardA capacitor with initial charge Q0 is connected across a resistor R at time t = 0. The separation between the plates of the capacitor changes as d = d0/(1 + t) for 0 t 1 s. Find an expression for the voltage drop across the capacitor as a function of time.arrow_forwardConsider a series RC circuit as in Figure P18.35 for which R = 1.00 M, C = 5.00 F, and = 30.0 V. Find (a) the time constant of the circuit and (b) the maximum charge on the capacitor after the switch is thrown closed. (c) Find the current in the resistor 10.0 s after the switch is closed. Figure P18.35 Problem 35 and 38.arrow_forward
- Semi-truck or trucks use four large 12-V batteries. The starter systemrequires 24 V, while normal operation of the truck’s other electrical components utilizes 12 V. How could the four batteries be connected to produce 24 V? To produce 12 V? Why is 24 V better than 12 V for starting the truck’s engine (a very heavy load)?arrow_forwardFigure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26arrow_forwardIn the circuit below, the capacitor starts out uncharged. The resistance is R = 118 Ω, capacitance is C = 0.0647 F, and the battery emf is 16.7 V. What is the charge (Q) on the capacitor at a time of t = 3.72 seconds after the switch is closed?arrow_forward
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DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY