PPT-10.5 Resistors in Series and Parallel

Resistors in Series PHET simulation Resistors in Series Total resistance for a circuit in series Rtotal Rtotal R1 R2 R3 Ohms Law V I x R The R typically means total Resistance . for tomorrow. … . Ch. 31: . CQ 3. , Probs. 10, 16 & 42. . CQ11: . R. b. < . R. c. . < . R. a. = . R. e. . < . R. d. . . 30.22:. . σ. . = 6.7 x 10. 5. Ω. -1 . m. -1. a) Find the currents . i. 1. and . i. 2. . in the circuit in the figure. . b) Find the voltage . v. o. .. c) Verify that the total power developed equals the . total power dissipated.. Quiz 2. The current . pp 736- 745. Essential Questions. Based on the orientation of resistors in a circuit, how is the distribution of current and voltage affected?. What are the advantages or disadvantages of arranging resistors in certain ways?. Bellwork. : Use the Ohm's law equation to determine the missing values in the following circuits.. Drawing Electrical. Circuit Diagrams. name variable unit symbol . source of . emf. ε volts V . A) 1 m/s.. B) 1 km/s.. C) 10 m/s.. D) the speed of light.. E) 1 mm/s.. 2) When a current flows through a metal wire, the moving charges are. A) positive metal ions.. B) negative metal ions.. C) only electrons.. pg. . 51. Objectives. Calculate the equivalent resistance for resistors connected in both series and parallel combinations.. Construct series and parallel circuits of lamps (resistors).. Observe and explain relative lamp brightness in series and parallel circuits. . Suggested Problems. 15. The . current in a single-loop circuit with one resistance R is 5.0 A. When an additional resistance of 2.0 . Ω. is inserted in series with R, the current drops to 4.0 A. . What . Read Alexander & . Sadiku. , Chapter 2.. Homework #2 and Lab #2 due next week.. Quiz next week.. Ohm’s Law. Ohm’s law. says that the voltage . v. across a resistor is equal to the current . Dr. Mohamed Bingabr. Chapter 21. Circuit in DC Instruments. PHY 1214. General Physics 2. Chapter Outline. Resistors in Series and Parallel. Electromotive Force: Terminal Voltage. Kirchhoff’s Rules. Electric Power. How was power define before? . Time rate of doing work or using energy. Electric Power - Rate at converting electrical energy into other forms of energy. . P = W/t or P = E/t. Unit: watt, w = J/s. Objective of Lecture. Explain mathematically how a voltage that is applied to resistors in series is distributed among the resistors.. Chapter 2.5 in Fundamentals of Electric Circuits. Chapter 5.7 Electric Circuit . Vocabulary. Electric . charge. (q) – exists due to excess or deficient electrons on an object. Charge comes in two kinds: positive and negative. . The unit of charge is the coulomb.. Electric . current. Electromagnetic Force. The current in a circuit is driven by…. Generally, what . is needed for motion to take place?. Consider that electric current is the movement of electrons. what is the tension (pressure) on the current?. Outline. Resistors in series. Resistors in parallel. The voltage divider and the current divider circuits. Voltage division and current division. Measuring voltage and current. The ∆-to-Y transformation..