8.A. Note that the batteries are not all connectedwith the same orientation. When the networkreaches a steady state is there any current throughthe batteries and resistors? Explain briefly why youthink so.8.B. If you think that there is no current in thebatteries and resistors in the steady state, find thevoltage drop across each resistor. If you think thatthere is current, find the current through andvoltage drop across each resistor.8.C. Is there a voltage difference across the platesof the capacitor? If so, find it. If not, explain whythere is none. 8. In the figure at the left is shown part of thecircuit that is used to model the cell membrane ofan electrically excitable cell.* While the actualmodel includes variable resistors, let's analyze thesimplest example of this circuit: take the batteriesto be identical and ideal and the resistors to beidentical and Ohmic. The capacitor plates (insidethe plastic shell shown) correspond to the insideand outside of the membrane.capacitor↓154R₁DuracellresistorsbatteriesDuracellDuracellR₂Suppose the batteries each are labeled with avoltage V, and the resistors each have aresistance R. Where asked for currents or voltagesexpress your answers in terms of V, and R.

Given Data: Voltage = V0.Resistance = R. To Determine: A. Is current passing through the batteries…

8.A. Note that the batteries are not all connected with the same orientation. When the network reaches a steady state is there any current through the batteries and resistors? Explain briefly why you think so. 8.B. If you think that there is no current in the batteries and resistors in the steady state, find the voltage drop across each resistor. If you think that there is current, find the current through and voltage drop across each resistor. 8.C. Is there a voltage difference across the plates of the capacitor? If so, find it. If not, explain why there is none.

8.A. Note that the batteries are not all connected with the same orientation. When the network reaches a steady state is there any current through the batteries and resistors? Explain briefly why you think so. 8.B. If you think that there is no current in the batteries and resistors in the steady state, find the voltage drop across each resistor. If you think that there is current, find the current through and voltage drop across each resistor. 8.C. Is there a voltage difference across the plates of the capacitor? If so, find it. If not, explain why there is none.

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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Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

8.A. Note that the batteries are not all connected
with the same orientation. When the network
reaches a steady state is there any current through
the batteries and resistors? Explain briefly why you
think so.
8.B. If you think that there is no current in the
batteries and resistors in the steady state, find the
voltage drop across each resistor. If you think that
there is current, find the current through and
voltage drop across each resistor.
8.C. Is there a voltage difference across the plates
of the capacitor? If so, find it. If not, explain why
there is none.

8. In the figure at the left is shown part of the
circuit that is used to model the cell membrane of
an electrically excitable cell.* While the actual
model includes variable resistors, let's analyze the
simplest example of this circuit: take the batteries
to be identical and ideal and the resistors to be
identical and Ohmic. The capacitor plates (inside
the plastic shell shown) correspond to the inside
and outside of the membrane.
capacitor
↓
154
R₁
Duracell
resistors
batteries
Duracell
Duracell
R₂
Suppose the batteries each are labeled with a
voltage V, and the resistors each have a
resistance R. Where asked for currents or voltages
express your answers in terms of V, and R.

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