Dynamics Flashcards

1
Q

Measured in coulombs

A

Charge

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2
Q

1e- is equals to

A

1.602×10-¹⁹C

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3
Q

Time rate of change of charge
Measured in amperes

A

Current

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4
Q

Direction of direct current

A

Unidirectional

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5
Q

Alternating current direction

A

Periodically

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6
Q

Potential difference

A

Voltage

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7
Q

Energy required to move a unit charge through an element

A

Voltage

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8
Q

Rate per unit time at which ele tricak energy is transfered by an electrical circuit

A

Power

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9
Q

Form of energt restulting from the flow if the electric charge

A

Energy

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10
Q

Unit of energy

A

Joules or watt-second

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11
Q

Current is directly proportional to voltage applied, and inversely proportional to the resistance

A

Ohm’s law

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12
Q

Ability to resist the flow of an electric current

A

Resistance

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13
Q

Zero voltage, zero resistance

A

Short

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14
Q

Zero current, infinite resistance

A

Open

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15
Q

Current flows in a circuit when a switch is ____

A

Closed

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16
Q

Advantage of a 6 band resistor

A

Temperature coefficient

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17
Q

A single element in a circuit

A

Branch

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18
Q

Voltage source or resistor

A

Node

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19
Q

Point of connection between two or more branches

A

Node

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20
Q

Any closed path in a circuit

A

Loop

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21
Q

Resistance in series

A

All additions
R, I, P, R

22
Q

Voltage division formula

A

Vx = VT Rx/Rt

23
Q

Current division formula

A

Ix = IT ×Rt/Rx

24
Q

Voltage in a parallel circuit are always ____

25
Total of current and power in a parallel circuit are ____
Addition
26
R total in a parallel circuit are ___
Parallel
27
Delta-wye transformation
Numerator= nasa labas (×)/ Denominator = loob (+)
28
Maximum voltage drop using ___ resistor in series
Highest
29
Least voltage drop using ___ in parallel
Highest
30
When one of three series resistors is removed from a circuit and the circuit is reconnected, the current ____
Increases
31
Three lights are connected in parallel across a 120 volt source. If one light burns out, _____
The remaining two will glow with the same brightness as before
32
Algebraic sum of all voltages around a closed path (or loop) is zero
Kirchoff's voltage law
33
Algebraic sum of currents entering a node (or a closed boundary) is zero.
Kirchoff's current law
34
A process of replacing a voltage source in series with a resistor by a current source in parallel with a resistor, vice versa
Source transformation
35
Theorem states that we can replace all the electric circuit, except a load resistor, as an independent voltage source in series, and the load resistor response will be the same
Thevenin's theorem
36
Theorem states that we can replace the electric circuit except the load resistor as a current source in parallel.
Norton's theorem
37
Two terminal passive device that stores energy as electric field
Capacitors
38
Composed of a dielectric sandwiched between two conducting sheets in parallel
Capacitors
39
Series capacitance for charge is ____
Equal
40
Voltage capacitances in series are ___
Addition
41
Series capacitance formula
Parallel
42
Parallel capacitance for charge is ____
Addition
43
Voltage in parallel capacitance are ____
Equal
44
Parallel capacitance formula
Addition
45
Also called a coil, choke, or reactor A passive two-termjnal electrical component that stores energy un a m field when e current flows through it
Inductors
46
Typically consists of an insulated wire wound into a coil around a core
Inductors
47
Series inductance formula
Addition
48
Parallel inductance formula
Parallel
49
Number of nodes in a parallel circuit
2 nodes
50
Number of nodes in a series
1 node
51
Time required for the response to decay to a factor of 1e or 36.8 percent of its initial value
Time constant