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Level 11

Circuit Theory


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Series
Currents are equal in a _____ circuit
Series
PD's add up in a _____ circuit
Series
Resistance adds up in a _____ circuit
Parallel
Currents add up in a _____ circuit
Parallel
PD's equal all around in a _____ circuit
Parallel
Resistance: 1/R = 1/Ra + 1/Rb + 1/Rc + … in a _____ circuit
Ammeter
Has very small resistance
Voltmeter
Has very high resistance
V = I R
Find Voltage - Ohms Law
P = I^2 R
Find Power using resistance
P = I V
Find Power using voltage
EMFs, Closed Loop, Potential Drops
Kirchhoff's voltage law (KVL) - The sum of the ___ in any ___ ___ is equivalent to the sum of the ___ ___ in that loop
Currents, Node, Out
Kirchhoff's current law (KCL) - The sum of ___ flowing into that ___ is equal to the sum of currents flowing ___ of that node
Circuit
Is a closed loop conducting path in which an electrical current flows.
Path
Is a single line of connecting elements or sources.
Node
Is a junction, connection or terminal within a circuit were two or more circuit elements are connected or joined together giving a connection point between two or more branches.
Branch
Is a single or group of components such as resistors or a source which are connected between two nodes.
Loop
Is a simple closed path in a circuit in which no circuit element or node is encountered more than once.
Mesh
Is a single open loop that does not have a closed path. There are no components inside a mesh.