One of the rules for ohms law when finding volts current resistance and power
in series circuit is that the current is the same at any point in the circuit
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an exceelent example of using a chassis ground as a common connection can
be found in electric system of automobile
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below ground voltage is positive with respect to ground
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in an automobile the positive terminal of the battery isn grounded to the frame
or chassis of the vehicle
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when a current of one amp enters a parralel circuit at point b it will increase
the current between r1 and r2
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the amount of power used by each resistor can be found using ohms law
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a node is a junction point where a current splits
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, because only one path exists for a current to flow a series circuit it must flow
through each resistor in the circuit
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in a series circuit the total current flow is equal to the sum of the currents
through all of the circuit branches
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the product over sum formula can be used only when all the resistors in the
circuit are equal
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before the invention of calculators the slide rule is often used to help with
math calculation in eletric work
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a lesser amount of current will flow through a low value resistor and a greater
amount of current will flow through a high value resistor
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because a circuit breaker is connected in a series of nthe rest of the circuit all
the circuit current must flow thriough them
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to solve the unknown value of a parallel circuit use series circuit rules for
those section of circuit that are connected and parallel circuit
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