Formulas Quiz

Question 1

What is a Series Circuit?

Answer 1

a circuit with one path

Question 2

What is a Parallel Circuit?

Answer 2

a circuit with multiple paths

Question 3

What does (V) Stand For?

Answer 3

voltage

Question 4

What is the Diagram Symbol for a Voltmeter?

Answer 4

(V)

Question 5

What is Voltage Measured In?

Answer 5

volts

Question 6

What is the Voltage Law for a Series?

Answer 6

VT = V1 + V2 + V3 + V4

Question 7

What is the Voltage Law for a Parallel?

Answer 7

VT = V1 = V2 = V3 = V4

Question 8

What is used to Measure Voltage?

Answer 8

a voltmeter

Question 9

What is the Diagram Symbol for an Ammeter?

Answer 9

(A)

Question 10

What is Current Measure In?

Answer 10

amps

Question 11

What is the Symbol for Current?

Answer 11

(I)

Question 12

What is the Current Law for a Series?

Answer 12

IT = I1 = I2 = I3 = I4

Question 13

What is the Current Law for Parallel?

Answer 13

IT = I1 + I2 + I3 + I4

Question 14

What does (R) Stand For?

Answer 14

resistance

Question 15

What is the Diagram Symbol for a Resistor?

Answer 15

\/\/\/\/

Question 16

What is Resistance Measure in?

Answer 16

ohms

Question 17

What is Resistance Measured With?

Answer 17

an ohmmeter

Question 18

What is the Resistance Law of a Series?

Answer 18

RT = R1 + R2 + R3 + R4

Question 19

What is the Resistance Law of Parallel?

Answer 19

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

Question 20

How Many Milli Amps are in one Amp?

Answer 20

1000

Question 21

If the Voltage Increases and the Resistance Increases…

Answer 21

the current decreases

Question 22

If the Voltage is Constant and the Resistance Decreases…

Answer 22

the current increases

Question 23

If the Resistance is Constant and the Voltage Increases…

Answer 23

the current increases

Question 24

If the Resistance is Constant and the Voltage is Decreased…

Answer 24

the current decreases

Question 25

V =

Answer 25

potential difference

Question 26

What is the Formula for Voltage?

Answer 26

V = I x R

Question 27

What is the Formula for Resistance?

Answer 27

R = V/I

Question 28

What is the Formula for Current?

Answer 28

I = V/R

Question 29

If a Lightbulb is Added and the Bulbs Got Dimmer…

Answer 29

it’s a series circuit

Question 30

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

Answer 30

it’s a parallel

Question 31

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

Answer 31

it’s a parallel

Question 32

Explain Energy Transfer

Answer 32

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

Question 33

Define Electrochemical Cells

Answer 33

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

Question 34

Define Electrolyte

Answer 34

a liquid or paste that conducts

Question 35

Define Wet Cell

Answer 35

a liquid electrolyte (cars)

Question 36

Define Dry Cell

Answer 36

a paste electrolyte (flashlight)

Question 37

Define Electrode

Answer 37

metal strips that react with the electrolyte

Question 38

Define Terminals

Answer 38

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

Question 39

Define Fuel Cell

Answer 39

an electrochemical cell that generates electricity from a chemical reaction

Question 40

What is Potential Energy

Answer 40

energy stored in an object

Question 41

What are the 5 Factors That Affect Reistance

Answer 41

1. material 2. temperature 3. length 4. cross sectional area

Question 42

What is the Formula for Energy?

Answer 42

voltage x current x time (s)

Question 43

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

Answer 43

e / i x t

Question 44

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

Answer 44

e / v x c

Question 45

What is the Formula for Power?

Answer 45

p = e/t

Question 46

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

Answer 46

e = p x t

Question 47

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

Answer 47

t = e/p

Question 48

What is the Formula for Efficiency?

Answer 48

% eff = OE/IE x 100

Question 49

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

Answer 49

OE = IE/% eff

Question 50

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

Answer 50

IE = OE/% eff

Question 51

What is the Formula for Cost?

Answer 51

C = power x time x rate

Question 52

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

Answer 52

cost / p x r

Question 53

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

Answer 53

cost/rate/time

Question 54

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

Answer 54

rate = cost/time/power