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Kirchhoff's Loop Rule Solutions Library

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39 solutions

Kirchhoff's Loop Rule

Q. Consider the circuit in the diagram, with the sources of emf listed below.ε1 = 26 Vε2 = 47 Vε3 = 9.5 Vε4 = 26 VPart A. Find the I1 in amps.Part B. ...

Solved • May 19, 2020

Kirchhoff's Loop Rule

Q. Part A. Find the potential of point a with respect to point b in the figure. Express your answer using two significant figures.Part B. If points a ...

Solved • May 19, 2020

Kirchhoff's Loop Rule

Q. What is the magnitude of the current in the 30 Ω resistor in the figure (Figure 1)?

Solved • May 11, 2020

Kirchhoff's Loop Rule

Q. Calculate the currents in the below resistors of the figure.Part CCalculate the current in 64 ohm resistor.Express your answer to two significant f...

Solved • May 4, 2020

Kirchhoff's Loop Rule

Q. Part A. What is the magnitude of the current in the 30-Ω resistor in the figure? Answer in AmperesPart B. What is the direction of the current?

Solved • Apr 28, 2020

Kirchhoff's Loop Rule

Q. Calculate the currents in the below resistors of the figure.Part ACalculate the current in 25 ohmresistor.Express your answer to two significant fi...

Solved • Apr 28, 2020

Kirchhoff's Loop Rule

Q. Find the unknown emfs ε1 and ε2. The current through the 3.00-Ω resistor is 8.00 A.

Solved • Apr 24, 2020

Kirchhoff's Loop Rule

Q. Find the resistance R. (Note that three currents are given.)

Solved • Apr 24, 2020

Kirchhoff's Loop Rule

Q. 1) Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large.A voltmeter with resistance Rv is connected acros...

Solved • Apr 23, 2020

Kirchhoff's Loop Rule

Q. The circuit diagram below shows two emf sources and a bulb connected in parallel. Also connected in the circuit is a resistor with resistance R = 0...

Solved • Apr 8, 2020

Kirchhoff's Loop Rule

Q. a. What is the magnitude of the current in the 18 Ω resistor in the figure? b. What is the direction of the current—to the left or to the right?

Solved • Apr 8, 2020

Kirchhoff's Loop Rule

Q. In the circuit shown in the figure (Figure 1) find(a) the current in resistor R(b) the resistance R(c) The unknown emf ℰ(d) If the circuit is broke...

Solved • Apr 8, 2020

Kirchhoff's Loop Rule

Q. What is the current through the 10 Ω resistor in the figure?  Express your answer to two significant figures and include the appropriate units. Is ...

Solved • Mar 18, 2020

Kirchhoff's Loop Rule

Q. (a) Find the emf ε1 in the circuit of the figure (Figure 1) .(b) Find the emf ε2 in the circuit of the figure.(c) Find the potential difference of ...

Solved • Mar 11, 2020

Kirchhoff's Loop Rule

Q. In the following figure, what is the value of the potential at points a and b? (Figure 1) Express your answer using two significant figures separat...

Solved • Mar 11, 2020

Kirchhoff's Loop Rule

Q. A. In the circuit shown in the figure, find the magnitude of current in the upper branch.B. Find the magnitude of current in the middle branch.C. F...

Solved • Mar 11, 2020

Kirchhoff's Loop Rule

Q. The ammeter in the figure reads 3.0 A.a) Find I2. Express your answer using two significant figures, in Amps.b) Find ε. Express your answer using t...

Solved • Mar 11, 2020

Kirchhoff's Loop Rule

Q. For the following circuit, you ultimately want to measure the power dissipation of the 2.0 Ω resistor:a) First, redraw the diagram on the page you ...

Solved • Mar 11, 2020

Kirchhoff's Loop Rule

Q. What are the magnitude and direction of the current in the 20 Ω resistor in (Figure 1)?

Solved • Mar 10, 2020

Kirchhoff's Loop Rule

Q. The following equation is true for the right loop if the circuit. E2 – I3R3 – I2R2 – E1 = 0 –E2 – I3R3 – I2R2 – E1 = 0 E2 – I3R3 – I2R2 + E1 =...

Solved • Jun 18, 2017

Kirchhoff's Loop Rule

Q. The following equation is true for the right loop of the circuit. a) E2 - I3R3 - I2R2 - E1 = 0 b) -E2 - I3R3 - I2R2 - E1 = 0 c) E2 - I3R3 - I2R2...

Solved • May 30, 2017

Kirchhoff's Loop Rule

Q. The two light bulbs in the circuit on the right are identical. When the switch is closed, A) they both go out B) the intensities of both A and B ...

Solved • May 24, 2017

Kirchhoff's Loop Rule

Q. The circuit shown in the figure has resistors R1 = 10 Ω, R2 = 20 Ω, R3 = 30 Ω, ε1 = 10 V, ε2 = 20 V. What is the current through resistor R1? (1) ...

Solved • May 1, 2017

Kirchhoff's Loop Rule

Q. Present one junction and two loop rule equations that you could solve simultaneously to obtain values for the three currents, I1, I2 and I3, in the...

Solved • Apr 28, 2017

Kirchhoff's Loop Rule

Q. For the circuit below, determine all the currents. Assume ε1 = 10 V, ε2 = 15 V, R 1 = R 3 = 40 Ω, R 2 = 60 Ω, R 4 = 100 Ω.

Solved • Apr 27, 2017

Kirchhoff's Loop Rule

Q. What current will a 3.0 V battery cause to flow if it is short circuited? The internal resistance of the battery is 14.0 Ω. A) 42 A B) 130 A C) ...

Solved • Apr 18, 2017

Kirchhoff's Loop Rule

Q. A 10 Ω lightblub is connected to a variable voltage source. The way to vary the voltage of the source is not by altering the source itself, but rat...

Solved • Mar 1, 2017

Kirchhoff's Loop Rule

Q. Your car will not start. You open the hood and measure the voltage on the battery as 14 volts. You then have a friend try to start the car while yo...

Solved • Feb 28, 2017

Kirchhoff's Loop Rule

Q. In the following circuit,V= 25 V, R 1 = 5 Ω, R2 = 15 Ω, R3 = 25 Ω, R4 = 10 Ω, and R5 = 20 Ω. Find each current in the circuit.

Solved • Feb 23, 2017

Kirchhoff's Loop Rule

Q. In the following circuit, the resistances are R 1 = 5 Ω, R2 = 10 Ω, R3 = 10 Ω, R4 = 25 Ω, and R5 = 15 Ω. If the current through R3 is 1 A to the ri...

Solved • Feb 23, 2017

Kirchhoff's Loop Rule

Q. In the following figure, the configuration of resistors is known as a Wheatstone Bridge, which is used to measure the resistance of an unknown resi...

Solved • Feb 23, 2017

Kirchhoff's Loop Rule

Q. Consider the circuit shown in the sketch. The current in the 8.0 Ω resistor is   I1 = 3.0 A. What is the current through 4.0 Ω resistor?

Solved • Jan 27, 2017

Kirchhoff's Loop Rule

Q. Consider the circuit shown in the sketch. The current in the 8.0 Ω resistor is 2.0 A, in the direction shown. What is the resistance of the resist...

Solved • Jan 27, 2017

Kirchhoff's Loop Rule

Q. Consider the circuit shown in the sketch. The current in the 8.0 Ω resistor is 2.0 A, in the direction shown. What is I1, the current through the ...

Solved • Jan 27, 2017

Kirchhoff's Loop Rule

Q. The circuit shown in the sketch consists of a battery with emf ε and internal resistance r connected to two resistors as shown. R1 = 3.0 Ω, R2 = 6....

Solved • Jan 25, 2017

Kirchhoff's Loop Rule

Q. The circuit shown in the sketch consists of a battery with emf ε and internal resistance r connected to two resistors as shown. R1 = 3.0 Ω, R2 = 6....

Solved • Jan 25, 2017

Kirchhoff's Loop Rule

Q. Consider the circuit shown in the sketch. What is the current through the 10.0 V battery?

Solved • Jan 23, 2017

Kirchhoff's Loop Rule

Q. Consider the circuit shown in the sketch. What is the current through the 3.0 Ω resistor?

Solved • Jan 23, 2017

Kirchhoff's Loop Rule

Q. In Figure 3, consider the circuit sketched. The two batteries have negligible internal resistance and emf's  ε1 = 28.0 V and ε2 = 42.0 V. The three...

Solved • Jan 5, 2017