Electronics: kirchoffs Law

electronics-kirchoffs-law

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93429

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which of the following statements is true

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Explanation

The kirchhoff's laws are important tools in the analysis of electrical and electronic circuits, which use both AC and DC so the law is applicable to both currents

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kirchoffs voltage law states that the algebraic sum of voltages is _____

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Explanation

Kirchhoff's voltage law states that: The algebraic sum of voltage around a closed circuit loop is 0

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which of the following is based on nodual analysis

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Explanation

Kirchhoff's current law is based on no dual analysis as it states that: a?? the algebraic sum of current at a node is 0a?^TM

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three resistors on the PCB board are connected as shown to the right. and find the value of the current ??

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Explanation

Given the current entering the junction ( A??) = 20mA: and the current leaving the junction (A) = ?? 4 mA. According to kirchhoff's law, the current entering the (A??) working: 20 = ?? 4 mA or ??= 20 - 4 = 16 mA

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calculate the current 1 flowing into the node as demonstrated in the diagram on the right

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Explanation

Choosing the current flowing into the node as positive and applying kirchhoff's current law: working: 5 -8 I = 0 so I = 3 A. So the current flowing into the node is 3 A

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calculate the current in the ?? following circuit

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Explanation

Applying kirchhoff's current law: working: I??I??I? I?= 0 = (7?2??? 3= 0) = (8???= 0)= (??= 8A)

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what is kirchoffs first law

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