Transcript Electric Jeopardy

Big
Amperage
6
St.
Volta
Ohms and Wattcrawler The Hunger
Games:
Ohmer To
ElectricJay
Q $100
Q $100
Q $100
Q $100
Q $100
Q $200
Q $200
Q $200
Q $200
Q $200
Q $300
Q $300
Q $300
Q $300
Q $300
Q $400
Q $400
Q $400
Q $400
Q $400
Q $500
Q $500
Q $500
Q $500
Q $500
Final Jeopardy
$100 Question from Big Amperage 6
A ____________ is a charge that is not
moving
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Answer
$100 Answer from Big Amperage 6
Static
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$200 Question from Big Amperage 6
What unit is used to measure current
(Shortened and Long Version)?
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Answer
$200 Answer from Big Amperage 6
Amps or Amperes
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$300 Question from Big Amperage 6
When Current ____, Voltage ___
When Voltage ___ ,
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Current ___
Answer
$300 Answer from Big Amperage 6
When Current ▲, Voltage ▲
When Voltage ▼ ,
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Current ▼
$400 Question from Big Amperage 6
When current can pass through both a thin
wire and a thicker wire, which would have
less resistance? Why?
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Answer
$400 Answer from Big Amperage 6
Big wire, means the larger space, the more current
we can have
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$500 Question from Big Amperage 6
Fill in the Blanks:
When Amperage ___ then Resistance _____
PROVE IT MATHEMATICALLY
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Answer
$500 Answer from Big Amperage 6
When Amperage increases then Resistance
decreases
and Vice Versa
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$100 Question from St. Volta
The unit of measure for Voltage is
_____________
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Answer
$100 Answer from St. Volta
Volts
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$200 Question from St. Volta
An Electric Circuit must be __________ to
work.
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Answer
$200 Answer from St. Volta
Complete
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$300 Question from St. Volta
A ______________ is required for Voltage to
carry a current in a circuit.
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Answer
$300 Answer from St. Volta
Voltage Source
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$400 Question from St. Volta
How is Voltage SIMILAR to a rollercoaster?
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Answer
$400 Answer from St. Volta
High potential energy from the top, lower as it
goes down - Electricity has high potential at
the Power Plant, moves away from high
concentration
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$500 Question from St. Volta
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Answer
$500 Answer from St. Volta
A. 12 Volts for both
B. 4 Ohms and 2 Ohms
C. 3 amps and 6 amps on each branch
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$100 Question fromOhms and
Ohmer To
This is the unit of measure for Resistance, and
it's Symbol.
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Answer
$100 Answer fromOhms and Ohmer
To
Ohm’s and Ω
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$200 Question fromOhms and
Ohmer To
Something with a ___________ resistance
will not allow charges to flow easily.
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Answer
$200 Answer fromOhms and Ohmer
To
High
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$300 Question fromOhms and
Ohmer To
A lemon with zinc and iron sticking out of it
is a _______________.
Identify the Electrodes and the Electrolyte.
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Answer
$300 Answer fromOhms and Ohmer
To
Battery
Electrode –Zinc and Iron
Electrolyte – Lemon Juice
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$400 Question fromOhms and
Ohmer To
After a long day at school, you finally get to sit home
and relax. You turn on your 120 Volt Nintendo that
uses a current of 10 amps and your television that has
a potential difference of 42, with 0.5 amps. Suddenly,
you realize your living room circuit breaker will
power off if you have more than 95 Ohms of
resistance.
Will your Circuit breaker power off? Why or why
not?
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Answer
$400 Answer fromOhms and Ohmer
To
120 V/10 A = 12 Ω Nintendo
42 V/0.5 A = 84Ω TV
96 Ω Total.
Yes it will turn off, too much resistance!
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$500 Question fromOhms and
Ohmer To
Give all 4 factors that affect resistance and
explain how.
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Answer
$500 Answer fromOhms and Ohmer
To
Length – Longer more Ω, shorter less
Diameter – Thinner more Ω, Thicker less
Material it is made from – Insulator vs
Conductor
Temperature – Heat means Ω, Cool is better
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$100 Question from Wattcrawler
This is the formula to determine power
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Answer
$100 Answer from Wattcrawler
Power = Volts x Amps
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$200 Question from Wattcrawler
Draw the circle that will help Solve for power,
and the three formulas associated with it
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Answer
$200 Answer from Wattcrawler
Power= Volts X Amps
Amps = Power/ Volts
Volts = Power/Amps
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$300 Question from Wattcrawler
The difference between
a wet cell and a dry cell
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Answer
$300 Answer from Wattcrawler
Wet cell electrolyte is a liquid
Dry cell electrolyte is a paste
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$400 Question from Wattcrawler
Lemon juice is an example of a(n) ________
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Answer
$400 Answer from Wattcrawler
Electrolyte
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$500 Question from Wattcrawler
What is the total resistance of the circuit?
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Answer
$500 Answer from Wattcrawler
26W/10V = 2.6A
14W/10V=1.4A
94W/10V=9.4A
10V/2.6A=3.85Ω
10V/1.4A=7.14 Ω
10V/9.4A=1.06Ω
HOWEVER TOTAL Ω = TOTAL V / TOTAL A
10V/13.4A = .75 Ω
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$100 Question from The Hunger
Games: ElectricJay
Lightning is an example of this
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Answer
$100 Answer from The Hunger
Games: ElectricJay
Induction
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$200 Question from The Hunger
Games: ElectricJay
What is significant about Edison and Tesla’s
rivalry?
What are they known for today? (In
relation to each other)
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Answer
$200 Answer from The Hunger
Games: ElectricJay
Tesla worked for Edison, invented a better
product but his name was slandered so he
isn’t as famous as he probably should be.
Edison – Direct Current
Tesla – Alternating Current
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$300 Question from The Hunger
Games: ElectricJay
How do direct and alternating current differ?
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Answer
$300 Answer from The Hunger
Games: ElectricJay
Direct travels in one direction continuously,
cant travel very far, mostly used for
batteries now
Alternating current travels back and forth
repeatedly, can be used over long distances,
almost all electric now.
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$400 Question from The Hunger
Games: ElectricJay
A 490 Watt Microwave uses 7.0 Amps of
power from a wall socket. How much
Resistance does the microwave have?
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Answer
$400 Answer from The Hunger
Games: ElectricJay
10 Ohms
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$500 Question from The Hunger
Games: ElectricJay
A circuit contains a 12-volt battery and two 3ohm bulbs in series.
A. Calculate the total resistance of the circuit.
B. Calculate the current in the circuit.
C. Calculate the power of each bulb.
D. Calculate the power supplied by the battery
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Answer
$500 Answer from The Hunger
Games: ElectricJay
a. 6 ohms
b. 2 amps
c. 12 Watts
d. 24 Watts
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Final Jeopardy
A clothes dryer in a home has a power of 4,500 watts
and runs on a special 220-volt household circuit
– What is the current through the dryer?
– What is the resistance of the dryer?
– How many kilowatts are used by the dryer?
– How many kilowatt hours of electricity are used by the
dryer if it used for 4 hours in one week?
– If your town charges $0.15/kWh, what is the cost to use the
clothes dryer for a month? (If there are four weeks in a
month)
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Answer
Final Jeopardy Answer
A=4500W/220V = 20.45A
Ω = 220V/20.45A = 10.76 Ω
4500W = 4.5kW
4.5kW x 4 hours = 18 kWh
52 Weeks in a year – 52 x 18 kWh x $0.15 = 140.40
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