Problem 10.1CYU: Check Your Understanding If you place a wire directly across the two terminal of a battery,... Problem 10.2CYU: Check Your Understanding Some strings of miniature holiday lights are made to short out when a bulb... Problem 10.3CYU: Check Your Understanding Consider the same potential difference (V = 3.00 V) applied to the same... Problem 10.4CYU: Check Your Understanding How would you use a river and two waterfalls to model a parallel... Problem 10.5CYU: Check Your Understanding Consider the electrical circuits in your home. Give at least two of... Problem 10.6CYU: Check Your Understanding In considering the following schematic and the power supplied and consumed... Problem 10.7CYU: Check Your Understanding When using Kirchhoff’s laws, you need to decide which loops to use and the... Problem 10.8CYU: Check Your Understanding Digital meters are able to detect smaller currents than analog meters... Problem 1CQ: What effect will the internal resistance of a rechargeable battery have on the energy being used to... Problem 2CQ: A battery with an internal resistance of r and an emf of 10.00 V is connected to a load resistor R =... Problem 3CQ: Show that the power dissipated by the load resistor is maximum when the resistance of the load... Problem 4CQ: A voltage occurs across an open switch. What is the power dissipated by the open switch? Problem 5CQ: The severity of a shock depends on die magnitude of the current through your body. Would you prefer... Problem 6CQ: Suppose you are doing a physics lab that asks you to put a resistor into a circuit, but all the... Problem 7CQ: Some light bulbs have three power settings (not including zero), obtained from multiple filaments... Problem 8CQ: Can all of die currents going into the junction shown below be positive? Explain. Problem 9CQ: Consider the circuit shown below. Does the analysis of the circuit require Kirchhoff’s method, or... Problem 10CQ: Do batteries in a circuit always supply power to a circuit, or can they absorb power in a circuit?... Problem 11CQ: What are the advantages and disadvantages of connecting batteries in series? In parallel? Problem 12CQ: Semi-truck or trucks use four large 12-V batteries. The starter systemrequires 24 V, while normal... Problem 13CQ: What would happen if you placed a voltmeter in series with a component to be tested? Problem 14CQ: What is die basic operation of an ohmmeter as it measures a resistor? Problem 15CQ: Why should you not connect an ammeter directly across a voltage source as shown below? Problem 16CQ: A battery, switch, capacitor, and lamp are connected in series. Describe what happens to the Lamp... Problem 17CQ: When making an ECG measurement, it is important to measure voltage variations over small time... Problem 18CQ: Why isn’t a short circuit necessarily a shock hazard? Problem 19CQ: We are often advised to not flick electric switches with wet hands, dry your hand first. We are also... Problem 20P: A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current... Problem 21P: The label on a battery-powered radio recommends the use of a rechargeable nickel-cadmium cell... Problem 22P: An automobile starter motor has an equivalent resistance of 0.0500 and is supplied by a 12.0-V... Problem 23P: (a) What is the internal resistance of a voltage source if its terminal potential drops by 2.00 V... Problem 24P: A person with body resistance between his hands of 10.0k accidentally grasps the terminals of... Problem 25P: A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of... Problem 26P: (a) What is the resistance of a 1.00102 , a 2.50k , and a 4.00k resistor connected in series? (b) In... Problem 27P: What are the largest and smallest resistances yon can obtain by connecting a 36.0- , a 50.0- , and... Problem 28P: An 1800-W toaster, a 1400-W speaker, and a 75-W lamp are plugged into the same outlet in a 15-A fuse... Problem 29P: Your car’s 30.0-W headlight and 2.40-kW starter are ordinarily connected in parallel in a 12.O-V... Problem 30P: (a) Given a 48.0-V battery and 24.0- and 96.0- resistors,find die current and power for each when... Problem 31P: Referring to the example combining series and parallel circuits and Figure 10.16, calculate in the... Problem 32P: Referring to Figure 10.16, (a) Calculate P3and notehow it compares with P3found in the first two... Problem 33P: Refer to Figure 10.17 and the discussion of lights dimming when a heavy appliance comes on. (a)... Problem 34P: Show that if two resistors R1 and R2 are combined and one is much greater than the other (R1R2) (a)... Problem 35P: Consider the circuit shown below. The terminal voltage of the battery is V = 18.00 V. (a) Find the... Problem 36P: Consider the circuit shown below, (a) Find the voltage across each resistor. (b)What is the power... Problem 37P: Consider the circuits shown below, (a) What is the current through each resistor in part (a)? (b)... Problem 38P: Consider the circuit shown below. Find V1,I2, and I3. Problem 39P: Consider the circuit shown below. Find V1, V2, and R4. Problem 40P: Consider the circuit shown below. Find I1, I2,and I3. Problem 41P: Consider the circuit shown below, (a) I1,I2,I3,I4,andI5 (b) Find the power supplied by thevoltage... Problem 42P: Consider the circuit shown below. Write the three loop equations for the loops shown. Problem 43P: Consider the circuit shown below. Write equations for the three currents in terms of R and V. Problem 44P: Consider the circuit shown in the preceding problem. Write equations for the power supplied by the... Problem 45P: A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of... Problem 46P: Apply the junction rule to Junction b shown below. Is any new information gained by applying the... Problem 47P: Apply the loop rule to Loop afedcba in die preceding problem. Problem 48P: Suppose you measure the terminal voltage of a 1.585-V alkaline cell having an internal resistance of... Problem 49P: The timing device in an automobile's intermittent wiper system is based on an RC rime constant and... Problem 50P: A heart pacemaker fires 72 times a minute, each time a 25.0-nF capacitor is charged (by a battery in... Problem 51P: The duration of a photographic flash is related to an RC time constant, which is 0.100F for a... Problem 52P: A 2.00- and a 7.50F capacitor can be connected in series or parallel, as can a 25.0- and a 100k... Problem 53P: A 500 resistor, an uncharged 1.50F capacitor,and a 6.16-V emf are connected in series, (a) What is... Problem 54P: A heart defibrillator being used on a patient has an RC time constant of 10.0 ms due to the... Problem 55P: An ECG monitor must have an KC time constant lessthan 1.00102s to be able to measure variations... Problem 56P: Using the exact exponential treatment, determine how much time is required to charge an initially... Problem 57P: If you wish to take a picture of a bullet traveling at 500 m/s, then a very brief flash of light... Problem 58P: (a) How much power is dissipated in a short circuit of 240-V ac through a resistance of 0.250 ? (b)... Problem 59P: What voltage is involved in a 1.44-kW short circuit through a 0.100- resistance? Problem 60P: Find the current through a person and identify the likely effect on her if she touches a 120-V ac... Problem 61P: While taking a bath, a person touches the metal case of a radio. The path through the person to the... Problem 62P: A man foolishly tries to fish a burning piece of bread from a toaster with a metal butter knife and... Problem 63P: (a) During surgery, a current as small as 20.0A applied directly to the heart may cause ventricular... Problem 64P: (a) What is the resistance of a 220-V ac short circuit that generates a peak power of 96.8 kW? (b)... Problem 65P: A heart defibrillator passes 10.0 A through a patient’s torso for 5.00 ms in an attempt to restore... Problem 66P: A short circuit in a 120-V appliance cord has a0.500- resistance. Calculate the temperature rise of... Problem 67AP: A circuit contains a D cell battery, a switch, a 20- resistor, and four 20-mF capacitors connected... Problem 68AP: A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The... Problem 69AP: Consider the circuit below. The battery has an emf of = 30.00 V and an internal resistance of r =... Problem 70AP: A homemade capacitor is constructed of 2 sheets of aluminum foil with an area of 2.00 square meters,... Problem 71AP: A student makes a homemade resistor from a graphite pencil 5.00 cm long, where the graphite is 0.05... Problem 72AP: The rather simple circuit shown below is known as a voltage divider. The symbol consisting of three... Problem 73AP: Three 300- resistors areconnect in series with anAAA battery with a rating of 3 AmpHours. (a) How... Problem 74AP: Consider a circuit that consists of a real battery with an emf and an internal resistance of r... Problem 75AP: Consider the circuit shown below. What is the energy Stored in each capacitor after the switch has... Problem 76AP: Consider a circuit consisting of a battery with an emf l and an internal resistance of r connected... Problem 77AP: Consider the circuit shown below. The terminal voltages of the batteries are shown, (a) Find the... Problem 78AP: Consider the circuit shown below. (a) What is the terminal voltage of the battery? (b) What is the... Problem 79AP: Consider the circuit shown below. (a)Determine the equivalent resistance and the current from the... Problem 80AP: Two resistors, one having a resistance of 145 , are connected in parallel to produce a total... Problem 81AP: Two resistors, one having a resistance of 900k are connected in series to produce a total resistance... Problem 82AP: Apply the junction rule at point G shown below. Problem 83AP: Apply the loop rule to Loop akledcba in the preceding problem. Problem 84AP: Find the currants flowing in the circuit in the preceding problem. Explicitly show how you follow... Problem 85AP: Consider the circuit shown below, (a) Find the current through each resistor, (b) Check the... Problem 86AP: A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its... Problem 87AP: A 160F capacitor charged to 450 V is dischargedthrough a 31.2k resistor, (a) Find the time... Problem 88CP: Some camera flashes use flash tubes that requite a high voltage. They obtain a high voltage by... Problem 89CP: Consider the circuit shown below. Each battery has an emf of 1.50 V and an internal resistance of... Problem 90CP: Analog meters use a galvanometer, which essentially consists of a coil of wire with a small... Problem 91CP: Analog meters use a galvanometer, which essentially consists of a coil of wire with a small... Problem 92CP: Consider the circuit shown below. Find I1, V1, I2, and V3 V1=? Problem 93CP: Consider the circuit below.(a) What is the RC time constant of the circuit? (b) What is the initial... Problem 94CP: Consider the circuit below, (a) What is the initial current through resistor R2? when the switch is... Problem 95CP: Consider the infinitely long chain of resistors shown below. What is the resistance between... Problem 96CP: Consider the circuit below. The capacitor has a capacitance of 10 mF. The switch is closed and after... Problem 97CP: A 120-V immersion heater consists of a coil of wire that is placed in a cup to boil the water. The... Problem 98CP: Find the resistance that must be placed in series with a 25.0- galvanometer having a 50.0A... Problem 99CP: Find the resistance that must be placed in parallel with a 60.0- galvanometer having a 1.00-mA... format_list_bulleted