Before setting up the circuit shown at right:
Predict the ranking of the currents through the battery and each bulb
Predict the voltmeter measurements across each of the element in the circuit shown. Explain.
Set up the circuit and check your predictions. If your observations and measurements are not consistent withyour predictions, resolve the inconsistencies.
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- Part E Calculate the current through each resistor in the figure if each resistance R=1.38 kf and V 12.0 V .(Figure 1) Calculate the current through resistor e. Express your answer with the appropriate units. I, = Value Units Figure Submit Request Anewer 1 of 1 Part F ww Calculate the current through resistor t. R Express your answer with the appropriate units. A ww HA ? R. It = Value Units Submit Request Answerarrow_forwardA 24.0 V battery is wired in parallel with three resistors, R1 = 10.0 Ohms, R2 = 60.0 Ohms, and R3 = 150.0 Ohms. a.) Using either the computer drawing tools or a scanned hand written diagram, draw this circuit including proper symbols and labels. (Do not copy and paste an image from any other resource) b.) Find the equivalent resistance and total current running through the circuit. Show your work and label the current flow on your diagram. c.) Find the current flow and voltage drop through each resistor. Show your work and explain.arrow_forwardWhat is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1. R2, and R3 respectively. Input E for the emf E. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. R| R2 R3 First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current: Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is milliamperes) Similarly the current across R2 is: 12= mA And the current across R3 is: 13 = mA The current read by the ammeter is the sum of the currents across each resistor: 1=h+/2 +13 |= Alternatively, we can solve for the current across the ammeter by first calculating the equivalent resistance and then applying Ohm's law. The equivalent resistance of the three resistors…arrow_forward
- What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3 = 3 kiloohm, and the emf of the ideal source is 5 volts. Input R1, R2, and R3 for resistors R1, R2, and R3 respectively. Input E for the emf E. Use context clues to figure out if you need to input a numerical value, variable, word, etc. All numerical answers should be in three significant figures. R1 R2 R3 A First we calculate the current across each resistor. From Ohm's law, we arrive at a general formula for current: Plugging in values, the current across the resistor R1 is equal to: (Please note that the current is in milliamperes) 4 = mA Similarly the current across R2 is: And the current across R3 is: The current read by the ammeter is the sum of the currents across each resistor: 1=h+l2+l3 mA Alternatively, we can solve for the current across the ammeter by first calculating the equivalent resistance and then applying Ohm's law. The equivalent resistance of the three resistors in…arrow_forwardWhat to do: Answer the following problems. Write your solutions in a separate sheet of paper. 1. Compute the equivalent resistance of the network in the circuit shown below. Show the steps in reducing a combination of resistors to a single equivalent resistor. The source of emf has an negligible internal resistance. E = 18 V, r = 0arrow_forwardDirections: Solve for the given problems. Show your complete solutions. Express your final answers into 3 significant figures. The terminal voltage of the battery in figure 4 is 16.6 V. What is the resistance R of the external resistor? What is the internal resistance r of the 18.0-V battery? What should be the diameter of an aluminum wire for its resistance to be equal to that of a copper wire which diameter is 2.17 mm? The two wires are of the same length. ρ (Copper) = 1.68 x 10-8 Ωm ρ (Aluminum) = 2.65 x 10-8 Ωmarrow_forward
- You have 3 resistors (R1=220. ohm, R2=100. ohm and R3=22.0 ohm) in parallel with each other. They are in a circuit with a 5.00 V DC power supply. From this information, find Vtot, Req, Itot, I1, I2, I3, V1, V2 and V3. Show all of your work including units.arrow_forwardAnswer the following questions. 1. Why does the voltage across the resistor for charging and discharging processes change the sign from positive to negative? Hint: think about the direction of current. 2. Does the voltage V across the resistor for charging and discharging obey by the same equation: V = Vo eRC 3. What is the sum of the voltages across the capacitor Vc and across the resistor VR at any point in time during the charging and discharging processes? Use a snipping tool to copy and paste the waveform chart and graph for the charging and discharging curves into the lab report.arrow_forwardAnswers to the following question will be relevant for the in-labs. Please note your answers when going in for the main lab session. 3. Ohm's law can be sated as V = IR. a. Suppose in an experiment, data is collected of the variation of current with resistance R. Next a plot of R vs I'is made. How does one determine the value of V from that graph? (Explain your answer using an appropriate expression.) b. Instead of measuring resistance suppose that in (a) data of the variation of current with the length of wire is collected. Show how such data can be used to determine the resistivity of the wire.arrow_forward
- 50 Ω ww mit this before the beginning of the lab period. Show all work. 1. In the circuit to the right, label the currents in each branch. Then write three equations using Kirchhoff's rules that can be used to find the currents through each branch. Solve for the current through each resistor and each battery. 115 Ω 35 V Hil 95V 80V 6052 www 350 2. If you have a maximum voltage of 9.6V, determine what resistance should be used in order to get a current of no more than 200 mA. Is this a maximum or minimum resistance?arrow_forwardConsider the circuit shown below. The terminal voltage of the battery is V = 18 V [note]. + R1 = 4.00 Ω V = = 18.00 V Hint R3 = 4.00 a. Find the equivalent resistance of the circuit. Req Ω. b. Find the current through each resistor. Give your answer as a comma-separated list in unit of ampere. currents through R₁, R2, and R3 (in ampere, in order): - R₂ = 1.00 c. Find the potential drop across each resistor. Give your answer as a comma-separated list in unit of volt, as an absolute value. potential drops across R₁, R₂, and R3 (in volt, in order): d. Find the power dissipated by each resistor. Give your answer as a comma-separated list in unit of watt. power dissipated by R₁, R2, and R3 (in watt, in order): e. Find the total power supplied by the battery. W. Pbattery =arrow_forwardIn the circuit shown in the figure (Figure 1), the 6.0 resistor is consuming energy at a rate of 27 J/s when the current through it flows as shown. Find the current through the ammeter A. Express your answer with the appropriate units. μΑ ? I = Value Units Submit Request Answer Part B Figure 1 of 1 What are the polarity and emf of the battery &, assuming it has negligible internal resistance? Express your answer with the appropriate units. Enter positive value if the polarity of the battery is the same as shown the figure and negative value in another case. 20.0 1 170 HA ? E = ? - 6.0 N 20.0 2 S19 0 E = Value Units 25 V 3.0 0 Submit Request Answer 13 0 1.0N Provide Feedback Next >arrow_forward
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