Formulas Quiz Flashcards

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1
Q

What is a Series Circuit?

A

a circuit with one path

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2
Q

What is a Parallel Circuit?

A

a circuit with multiple paths

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3
Q

What does (V) Stand For?

A

voltage

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4
Q

What is the Diagram Symbol for a Voltmeter?

A

(V)

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5
Q

What is Voltage Measured In?

A

volts

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6
Q

What is the Voltage Law for a Series?

A

VT = V1 + V2 + V3 + V4

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7
Q

What is the Voltage Law for a Parallel?

A

VT = V1 = V2 = V3 = V4

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8
Q

What is used to Measure Voltage?

A

a voltmeter

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9
Q

What is the Diagram Symbol for an Ammeter?

A

(A)

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10
Q

What is Current Measure In?

A

amps

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11
Q

What is the Symbol for Current?

A

(I)

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12
Q

What is the Current Law for a Series?

A

IT = I1 = I2 = I3 = I4

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13
Q

What is the Current Law for Parallel?

A

IT = I1 + I2 + I3 + I4

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14
Q

What does (R) Stand For?

A

resistance

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15
Q

What is the Diagram Symbol for a Resistor?

A

\/\/\/\/

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16
Q

What is Resistance Measure in?

A

ohms

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17
Q

What is Resistance Measured With?

A

an ohmmeter

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18
Q

What is the Resistance Law of a Series?

A

RT = R1 + R2 + R3 + R4

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19
Q

What is the Resistance Law of Parallel?

A

1/RT = 1/R1 + 1/R2 + 1/R3 + 1/R4

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20
Q

How Many Milli Amps are in one Amp?

A

1000

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21
Q

If the Voltage Increases and the Resistance Increases…

A

the current decreases

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22
Q

If the Voltage is Constant and the Resistance Decreases…

A

the current increases

23
Q

If the Resistance is Constant and the Voltage Increases…

A

the current increases

24
Q

If the Resistance is Constant and the Voltage is Decreased…

A

the current decreases

25
Q

V =

A

potential difference

26
Q

What is the Formula for Voltage?

A

V = I x R

27
Q

What is the Formula for Resistance?

A

R = V/I

28
Q

What is the Formula for Current?

A

I = V/R

29
Q

If a Lightbulb is Added and the Bulbs Got Dimmer…

A

it’s a series circuit

30
Q

If a Lightbulb is added and the Bulbs All Stayed the Same…

A

it’s a parallel

31
Q

There are Three Lightbulbs in a Circuit, a Switch is Opened, and Two of the Bulbs Stay On…

A

it’s a parallel

32
Q

Explain Energy Transfer

A

when an energy source is connected to a circuit, electrons in the conductor push, or repel other electrons nearby. as soon as one moves, all of them move

33
Q

Define Electrochemical Cells

A

a batter is a combo of electrochemical cells. each cell is a package of chemicals that converts chem energy to electric energy

34
Q

Define Electrolyte

A

a liquid or paste that conducts

35
Q

Define Wet Cell

A

a liquid electrolyte (cars)

36
Q

Define Dry Cell

A

a paste electrolyte (flashlight)

37
Q

Define Electrode

A

metal strips that react with the electrolyte

38
Q

Define Terminals

A

end points in a cell or battery where we make a connection

39
Q

Define Fuel Cell

A

an electrochemical cell that generates electricity from a chemical reaction

40
Q

What is Potential Energy

A

energy stored in an object

41
Q

What are the 5 Factors That Affect Reistance

A
  1. material
  2. temperature
  3. length
  4. cross sectional area
42
Q

What is the Formula for Energy?

A

voltage x current x time (s)

43
Q

What is the Formula for Voltage if Given E, I, and T?

A

e / i x t

44
Q

What is the Formula for Time if you are Given E, V, and I?

A

e / v x c

45
Q

What is the Formula for Power?

A

p = e/t

46
Q

What is the Formula for Energy if Given p, and t

A

e = p x t

47
Q

What is the Formula For Time if Given P, and E

A

t = e/p

48
Q

What is the Formula for Efficiency?

A

% eff = OE/IE x 100

49
Q

What is the Formula for OE if you are given IE, and % eff

A

OE = IE/% eff

50
Q

What is the Formula for IE if you are Given OE and % eff

A

IE = OE/% eff

51
Q

What is the Formula for Cost?

A

C = power x time x rate

52
Q

What is the Formula for Time if Given C, P, and Rate?

A

cost / p x r

53
Q

What is the Formula for Power if Given C, T, and Rate?

A

cost/rate/time

54
Q

What is the Formula for Rate if you are Given the Cist, Time and Power?

A

rate = cost/time/power