True/False Indicate whether the
statement is true or false.
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1.
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The number of equations must equal the number of unknowns in a circuit.
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Completion Complete each
statement.
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2.
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When basic circuit elements are interconnected to form a circuit, the resulting
interconnection is described in terms of nodes, paths, branches, ________, and meshes.
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3.
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The number of unknown currents in a circuit equals the number of _______, b,
where the current is not known.
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4.
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The first step is to make a neat layout of the circuit so that no branches cross
over and to mark clearly the __________ nodes on the circuit diagram.
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5.
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A node voltage is defined as the voltage rise from the reference node to a
_____________ node.
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6.
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When a voltage source is the only element between two essential _______, the
node-voltage method is simplified.
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7.
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In general, when you use the node-voltage method to solve circuits that have
voltage sources connected directly between essential nodes, the number of unknown node voltages is
_______.
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8.
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When a voltage source is between two essential nodes, we can combine those nodes
to form a _____________.
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9.
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A ___________ current is the current that exists only in the perimeter of a
mesh.
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10.
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If the circuit contains dependent sources, the mesh-current equations must be
supplemented by the appropriate _________ equations.
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11.
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When a branch circuit includes a current source, the mesh-current method
requires some ___________ manipulations.
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12.
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To create a _____________, we mentally remove the current source from the
circuit by simply avoiding this branch when writing the mesh-current equations.
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13.
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The greatest advantage of both the node-voltage and mesh-current methods is that
they reduce the number of simultaneous ___________ that must be manipulated.
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14.
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A ________ transformation allowes a voltage source in a series with a resistor
to be replaced by a current source in parallel with the same resistor or vice versa.
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15.
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Thevenin and Norton __________ are circuit simplification techniques that focus
on terminal behavior and thus are extremely valuable aids in analysis.
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16.
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To find the Thevenin equivalent of a circuit, we first calculate the
open-circuit ________ of .
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17.
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The next step is to place a short circuit across the terminals and calculate the
resulting short-circuit ___________.
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18.
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A Norton equivalent circuit consists of an independent current source in
parallel with the Norton equivalent _________.
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19.
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Circuit analysis plays an inportant role in the analysis of systems designed to
transfer _______ from a source to a load.
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20.
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Thus maximum power transfer occurs when the _________ resistance equals the Thevenin resistance .
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21.
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A linear system obeys the principle of superposition, which states that whenever
a linear system is excited, or driven, by more than one independent source of energy, the total
response is the _____ of the individual responses.
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22.
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When applying superposition to linear circuits containing both independent and
dependent sources, you must recognize that the dependant sources are never _________.
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Matching
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a. | planar circuit | e. | mesh | b. | branch | f. | path | c. | essential
node | g. | node | d. | loop | h. | essential
branch |
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23.
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A point where two or more circuit elements join.
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24.
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A node where three or more circuit elements join.
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25.
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A trace of adjoining basic elements with no elements included more than
once.
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26.
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A path that connects two nodes.
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27.
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A path which connects two essential nodes without passing through an essential
node.
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28.
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A path whos last node is the same as the starting node.
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29.
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A loop that does not enclose any other loops.
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30.
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A circuit that can be drawn on a plane with no crossing branches.
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