# HW-05 - HOMEWORK TUESDAY 1 A piece of an electric circuit...

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HOMEWORK - TUESDAY, JUNE 28, 2005 1. A piece of an electric circuit consists of five resistors connected as shown below. The electric potential at two points is shown. (a) Determine the electric current in this part of the circuit and show its direction on the diagram. (b) Fill out the table for these resistors: V  M  Z ? V M Z ? H H H H H 1 2 3 4 5 (c) Determine the electric potential at each of the other labeled points. (d) What is the equivalent resistance of this part of the circuit? V eq (e) Determine the value of and identify the result with some potential MV eq difference you find on the circuit.

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2. Here is a more complicated piece of an electric circuit, with the resistances shown and the electric potential given at two points. (a) Explain why there are only two different electric currents in this piece of circuit, and show where they flow, labeling them and in any way you want. M M 1 2 (b) Determine the values of the electric currents and . M M 1 2 (c) Label the electric potential at each of the labeled points on the circuit.
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