Three lamps were connected in a circuit with a battery of constant voltage. The current, voltage, and resistance for each lamp are listed in the data table below. [There is negligible resistance in the wires and the battery.] Potential Difference (V) Current Resistance (A) (2) Lamp 1 0.45 40.1 89 Lamp 2 0.11 40.1 365 Lamp 3 0.28 40.1 143 Using commonly accepted symbols, draw a circuit showing how the lamps and battery are connected. • What is the potential difference supplied by the battery? • Calculate the equivalent resistance of the circuit. Be sure to show all work, including the equation and substitution with units. • If lamp 3 is removed from the circuit, what would be the value of the voltage drop across lamp 1 after lamp 3 is removed? • If lamp 3 is removed from the circuit, what would be the value of the current in lamp 2 after lamp 3 is removed?

Three lamps were connected in a circuit with a battery of constant voltage. The current, voltage, and resistance for each lamp are listed in the data table below. [There is negligible resistance in the wires and the battery.] Potential Difference (V) Current Resistance (A) (2) Lamp 1 0.45 40.1 89 Lamp 2 0.11 40.1 365 Lamp 3 0.28 40.1 143 Using commonly accepted symbols, draw a circuit showing how the lamps and battery are connected. • What is the potential difference supplied by the battery? • Calculate the equivalent resistance of the circuit. Be sure to show all work, including the equation and substitution with units. • If lamp 3 is removed from the circuit, what would be the value of the voltage drop across lamp 1 after lamp 3 is removed? • If lamp 3 is removed from the circuit, what would be the value of the current in lamp 2 after lamp 3 is removed?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.21P: Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0...

See similar textbooks

Similar questions

In the picture below there are 2 electromotive force with a large voltage of 12.5 V and an internal resistance of 0.75 Ohm arranged in series. Furthermore, the circuit with a series of resistance as shown in the picture. EJ & R₁=852 B R=1602 ·m R$40 R₂=1602 mmm. R₁=802 Calculate : a. The total resistance of the circuit. b. Strong current generated www.
TO 2.The voltage is U=6V. R1= 12 R2 = 22 t I. R3 = 32 ORDE (1)Please CORDEIRO equivalent resistance in the calculate the first LUN TONI2046040 (2)Please calculate the current in the second line I,. R2 line). (R3 line) PADEIRO I. R1 R2 R3
The parallel circuit at the right depicts two resistors connected to a voltage source. The voltage source (AVtot) is a 12-V source and the resistor values are 7.4 Q (R,) and 3.9 Q (R2). a. Determine the equivalent resistance of the circuit. [ Select ] b. Determine the current in each branch resistor: Current in R, = [Select] Current in R, = [Select ] %3D C. Determine the total current in the circuit. Select ]
Just select correct option, is it based on ohm's law?
The diagram represents an electric circuit consisting of a 12-volt battery,a 3.0-ohm resistor, R1 and a variable resistor, R2 at what value must the variable resistor be set to produce a current of 1.7 A through R1? Round your answer to one decimal place
Find the current,voltage and electrical power for each circuit element. Fill out the chart.
A battery connected in the circuit given below has an emf of 20.0 V and an internal resistance of 23.6 milli-ohm. The current flowing through the circuit is 7.75 A.a) Find the resistance R in the circuit. b) Find the voltage across R. c) What is the current across r? d) What is the terminal voltage (potential difference) across the terminals of the battery?
If three resistors connected in series to a battery. Suppose R, carries a current of 14.5A, R2 has a resistance of 7.5N, and R3 dissipates 55W of power. What is the voltage across R3 and Resistance of R3 ? 1. Voltage (in V) across R3 = and 2. Resistance (in Q) of R3 ||
This is a study guide. Im unsure of how to answer these questions and what equations im meant to use
01701&cmid=97298page38 For the following circuit in the figure below. Determine V,-V, (in units of V) for E = 48.5 V. a t of estion 20 20 50 9. Select one: OA. 8.08 OB. -40.42 OC. -9.70 OD. -8.08 OE 9.70 ous page brt sc delete backsoace ent
If three resistors connected in series to a battery. Suppose R1 carries a current of 4.5A, R2 has a resistance of 22.50, and R3 dissipates 95W of power. What is the voltage across R3 and Resistance of R3 ? 1. Voltage (in V) across R3 %3D and 2. Resistance (in 2) of R3 =
The diagram at the right shows two identical resistors - R1 and R2 - placed in a circuit with a 12-Volt battery. If a third resistor (R3), identical to the other two is added in series with the first two, then theelectric potential difference (voltage drop) across each of the three individual resistors will... A. Decrease B. Increase C. Remain the same