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Circuits chapter 3
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  • 問題数 38 • 10/8/2024

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    問題一覧

  • 1

    Is a passive two-terminal electrical component which exhibit solely a resistance

    resistor

  • 2

    It is used to model the current-resisting behavior of a material

    resistor

  • 3

    Resistor can either be _ or _

    fixed, variable

  • 4

    Are those whose resistance does not change with the change in voltage or temperature

    fixed resistor

  • 5

    Are those which the electric resistance value can be adjusted

    variable resistor

  • 6

    Are used when there is a need to dissipate a large amount of heat

    wire wound resistor

  • 7

    Are used when large resistance is needed

    composition resistor

  • 8

    Wire wound and composition resistor are?

    fixed resistors

  • 9

    Is a three terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider

    potentiometer

  • 10

    Is used to control current

    rheostat

  • 11

    States that the ratio of potential difference between any two points on a conductor to the current flowing between them, is constant, provided the temperature of the conductor does not change

    ohm’s law

  • 12

    The value of resistance is zero when the circuit is

    short

  • 13

    In _ no voltage can exist across it and current through it is very large

    short circuit

  • 14

    The value of resistance is infinite when the circuit is

    open

  • 15

    In _ there is no flow of current and resistance between two points is infinite

    open circuit

  • 16

    Is a circuit whose parameters are constant

    linear circuit

  • 17

    Is a circuit whose parameters change with voltage or current

    non-linear circuit

  • 18

    Is a circuit whose properties or characteristics are the same in either direction

    bilateral circuit

  • 19

    Is a circuit whose properties or characteristics change with the direction of its operation

    unilateral circuit

  • 20

    Is a network that contains no source of electromotive force

    passive network

  • 21

    Is a network that contains one or more than one source of electromotive force

    active network

  • 22

    Is the properties relating to the placement of elements in the network and the geometric configuration of the network

    network topology

  • 23

    Is a part of a network which lies between two junction or nodes

    branch

  • 24

    Is a point or junction where two or more circuit elements are connected together

    node

  • 25

    Is a close path in a circuit in which no element or node is encountered more than once

    loop

  • 26

    Is a loop that contains no other loop within it

    mesh

  • 27

    States that the algebraic sum of the voltages around a closed circuit path must be zero

    KVL or Kirchhoff’s Voltage Law

  • 28

    States that the algebraic sum of all currents entering and exiting a node or junction must be zero

    Kirchhoff’s Current Law

  • 29

    In the _ elements share a single node and carry the same current but voltage is dropped across each of the resistances

    series connection

  • 30

    Resistances are additive in?

    series circuit

  • 31

    In series circuit, powers are?

    additives

  • 32

    In the _ elements are connected to the same two nodes and have the same voltage across them.

    parallel connection

  • 33

    Branch circuit are additive in

    parallel circuit

  • 34

    Conductances are additive in

    parallel circuit

  • 35

    Powers are additive in

    parallel circuit

  • 36

    It is a solution that employs a system of loop or mesh currents instead of branch currents

    mesh analysis

  • 37

    It forms when two meshes have a common current source

    supermesh

  • 38

    In applying ohm’s law, the current _ and voltage _ is important

    direction, polarity