5) Consider the DC-circuit shown below. This is an example of a parallel circuit, with a 12 V power source, and two resistive elements. Label the circuit diagram completely, showing magnitude and directions of the total circuit current, I; the polarity of the 12V power source; the polarity of the voltage drops across each resistor; and the magnitude and direction of the current flow in each of the resistors mounted in parallel. Also label the value of the potential, in volts, at the points a, b, c, and d, in the circuit; what do the values imply about the voltage drop across resistors in parallel? Show all of your work. 12 V R= 6LŹ R= 6 S2

5) Consider the DC-circuit shown below. This is an example of a parallel circuit, with a 12 V power source, and two resistive elements. Label the circuit diagram completely, showing magnitude and directions of the total circuit current, I; the polarity of the 12V power source; the polarity of the voltage drops across each resistor; and the magnitude and direction of the current flow in each of the resistors mounted in parallel. Also label the value of the potential, in volts, at the points a, b, c, and d, in the circuit; what do the values imply about the voltage drop across resistors in parallel? Show all of your work. 12 V R= 6LŹ R= 6 S2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. To explore resistors in series and parallel, we will use a virtual lab for DC circuits. Open your web browser and go to the following site: https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction- kit-dc_en.html (a) Construct a circuit with resistors (or light bulbs) in series and record current and voltage. How does the current through the resistor (or the bulb) in a single-resistor circuit with the current through the same resistor when it is connected in compare series with a second resistor? (b) Now construct a circuit with resistors (or light bulbs) in parallel and record current and voltage. Compare the current through the battery in the series circuit with the current through the battery in the parallel circuit. Is it lower, the same, or higher?
4) The most basic DC circuit consists of a battery (direct current source) and a resistor connected with conducting wires. Draw such a circuit for a 10V battery and a 500 resistor. Indicate the direction of current on your diagram and find the current magnitude in this circuit.
1. A series circuit has 3 resistors of values 10, 20, and 30 Ohms and a current of 2.0 Amps. What must be the voltage supplied to the circuit? a) 50 volts b) 250 volts c) 120 volts d) 25 volts 21V , 102 50 50 2. In the above 10-Ohm resistor, what is the current reading after the power supply? a) 0.60 A b) 3.0 A ) 1.2A d) 2.4A
An A.C. circuit consists of an alternating voltage source and a resistor only. In this circuit ______. the voltage is in phase with the currentthe voltage leads the current by 90° the voltage lags the current by 180° the voltage lags the current by 90° the voltage leads the current by 180°
2. A 0.30-m-long metal bar is moving to the left at constant speed of 20 m/s perpendicular to a uniform 2.0 T magnetic field. The bar rides on parallel metal rails connected through a 6.00 resistor, so the apparatus makes a complete circuit, as shown in the figure below. Ignore the resistance of the bar and the rails.