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Published byLindsey Franklin Modified over 3 years ago

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Parallel Circuit- circuit that has more than one path for the current to pass ◦ Has at least two branches ◦ Advantages ◦ if one part of the path is removed, the current will still flow through the other paths ◦ IF you add resistance to the circuit, it doesn’t affect the flow of current to the other branches

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I-current in conductor V- voltage difference R- device that uses electrical energy

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Parallel Circuit- each resistor draws straight from the battery (volts) Series Circuit- each resistor shares the battery (volts)

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Calculate the current through each resistor ◦ I= V/R 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the current through each resistor ◦ I= V/R ◦ R 1, R 3, R 4 - 6AR 2 - 4A 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the total current running through the circuit ◦ Add the amount running through each resistor ◦ I 1 + I 2 + I 3 + I 4 = I total 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the total current through circuit ◦ Add the amount running through each resistor 6A + 4A + 6A + 6A= 22 amps 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the total current through circuit ◦ Add the amount running through each resistor 6A + 4A + 6A + 6A= 22 amps 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the current through each of the resistors 5Ω5Ω 8Ω8Ω12Ω5Ω5Ω 60V

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Calculate the current for each of the different resistors ◦ R 1 = 12AR 2 = 12AR 3 = 7.5AR 4 = 5A 5Ω5Ω 8Ω8Ω12Ω5Ω5Ω 60V

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Calculate the total current running through the circuit ◦ R 1 = 12AR 2 = 12AR 3 = 7.5AR 4 = 5A 5Ω5Ω 8Ω8Ω12Ω5Ω5Ω 60V

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Calculate the total current running through the circuit ◦ R 1 = 12AR 2 = 12AR 3 = 7.5AR 4 = 5A ◦ I total = 36.5A 5Ω5Ω 8Ω8Ω12Ω5Ω5Ω 60V

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There is no voltage drop in a parallel circuit, each branch is the same (equal to the total voltage difference of 60 volts) 5Ω5Ω 8Ω8Ω12Ω5Ω5Ω 60V

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Equivalent Resistance- since the circuit offers more than one pathway for the charge flow, only a portion of the charge will pass through a given branch ◦ R eq = V/I total 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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◦ R eq = 12V/22A=.55Ω 2Ω2Ω 2Ω2Ω2Ω2Ω3Ω3Ω 12V

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Calculate the current running through each resistor Calculate the total current running through the circuit Calculate the equivalent resistance of the circuit 5Ω5Ω 15Ω20Ω5Ω5Ω 50V

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Calculate the current running through each resistor Calculate the total current running through the circuit Calculate the equivalent resistance of the circuit 15Ω 25Ω30Ω20Ω 110V

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