Circuit Analysis Problems Part 2

Circuit Analysis Problems Part 2 - ICE 3M1 - Circuit...

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ICE 3M1 - Circuit Analysis Problems Part 2 6. A=10mA When the current goes through point A in the circuit the resistances of 50Ω and 3750Ω are ignored because the wire does not connect back to the power source which tells that that there is now flow there because the electrons cannot go anywhere. Therefore the total resistance is 3kΩ. The resistances of 2kΩ and both 500Ω are in series. When we add these up we get 3kΩ and then we must calculate it in parallel with the 2kΩ. Once we have done this we can add the number we got in series with the 800Ω and 1kΩ resistor to get a total resistance of 3kΩ. Now we have total voltage and total resistance, we can use Ohms law to find the total current. B=5mA When the current goes through point B in the circuit the resistances of 800Ω and 50Ω can be ignored for the same reasons as when it was connected to point A. To calculate the total resistance we must look to see which resistors are in parallel. In this circuit we can see that the resistors of 0.5Ω and 2kΩ are in parallel with the other two resistors of 0.5Ω and 2kΩ. After we have calculated the resistance at this point we can add the other two resistors of 1kΩ and 3750Ω to the number we calculated. Now that
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This document was uploaded on 09/14/2011.

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Circuit Analysis Problems Part 2 - ICE 3M1 - Circuit...

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