College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question
A circuit has 3 resistors connected in parallel to a 75 V DC source. The resistances are 120, 100, and 12 Ohms, respectively. Draw the circuit diagram in the paper that will show your work. Use the correct units.
What is the equivalent
What is the current through Resistor 1?
What is the current through Resistor 2?
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- Observe the numbering1. Circuit that is plain black and white2. Circuit that has blue elementsSolve for all the branch currents and voltage drops per resistance.Also get the total power consumed by the circuit.arrow_forwardAt right is a basic circuit model of real batteries. Explain how the internal resistance affects the voltage the (real) battery can supply. Explain how it affects the energy one can extract from the battery.arrow_forwardApplication of the Kirchfoff laws 1. Calculate all currents in the circuit shown.2. Calculate the voltage drops in each of the resistors NOTE: you must show the entire algebraic procedure in solving the generated equations, as well asthe direction of the Currents that you assumed.arrow_forward
- You hook up the circuit shown to the right.a) Write a voltage equation that states how the voltage drops across the bulbs relate to the voltage gain across the battery . Use this equation along with Ohm's law for each bulb to determine the current flowing through the bulbs (& battery).b) Determine the voltage across each bulb.c) In a series circuit with bulbs of different resistances, is a bulb with higher resistance likely to be brighter or dimmer than a bulb with a smaller resistance? Discuss this with your group.d) Calculate the power dissipated by each light bulb.e) Calculate the power provided by the battery. Why was this predictable?f) How does each of the following change if a fourth round bulb is added in series? (you may want to look back over how your answers to (a-c) would change) Current Voltage drop across each bulb Brightness of each bulb g) What happens if one bulb burns out?arrow_forwardUsing your own words, answer the following. 1.Define a series circuit and include formulas necessary to solve series circuits.2.Define a parallel circuit and include formulas necessary to solve parallel circuits.3.Define a series parallel circuit and include formulas necessary to solve series parallel circuits.arrow_forwardConsider the diagram at the right of a series circuit. Each light bulb in the circuit has an identical resistance. Use the labeled points on the diagram to answer the following questions. Each question may have one, less than one, or more than one answer. a. The electric potential at point A is the same as the electric potential at point(s) ____. Include all that apply, if any apply. b. The electric potential at point C is the same as the electric potential at point(s) ____. Include all that apply, if any apply. c. The electric potential at point F is the same as the electric potential at point(s) ____. Include all that apply, if any apply. d. The electric potential at point I is the same as the electric potential at point(s) ____. Include all that apply, if any apply. e. The electric potential difference between points A and B is the same as the electric potential difference between points ___ and ____. Include all that apply, if any apply. f. The electric potential difference between…arrow_forward
- please do a step by step to undersatand also if u can provide the goal of the problem and the physic concept thank youarrow_forwardSHOW COMPLETE HANDWRITTEN SOLUTIONarrow_forwardIn the circuit below, solve for the three unknown currents I1, I2, and I3 . Use Kirchoff's Laws to set up three equations that will be used to find the currents. {Show all your steps, label all battery and resistor polarities, and indicate the circuit loops you are using. Write down your final three equations. Clearly show your method and solutions to these three equations. 702 |9 Volts Www 50 Ω 6 Volts wWWw 90 Ω 12 Volts wwWWarrow_forward
- Show your solutions 1. A hair dryer pulls a current of 8000 mA from a 120 V power source. What is the internal resistance of the hair dryer?arrow_forwardApplication of the Kirchfoff laws 1. Calculate all currents in the circuit shown.2. Calculate the voltage drops in each of the resistors *Calculate the voltage in ohm's* NOTE: you must show the entire algebraic procedure in solving the generated equations, as well asthe direction of the Currents that you assumed.arrow_forward
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