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.

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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.
Transcribed Image Text: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.
Transcribed Image Text: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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