Transcript Jeopardy Review (PowerPoint)

Welcome to Physics Jeopardy
Electric Current
Circuits
Electric Powers
Capacitance
Voltage
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500
Final Jeopardy Question
Current
100 pts
What is the unit for current?
Back
current
100 pts
Answer
Amp =C/s
Back
Current
200 pts
How much charge must pass
in 2s for the current to be
4.0A?
Back
Current
200 pts
8C
Back
Current
300 pts
The rate of flow of charge in a
closed circuit?
Back
Current
300 pts
Current
Back
Electric current
400pts
What is the device used to measure current
and how is it placed in the circuit?
Back
Current
400 pts
Answer
Ammeter, series
Back
Current
500 pts
Which of the following would increase
the current through a light bulb in a
circuit?
a. Adding a battery in series
b. Adding a battery in parallel
c. Adding a switch
d. Adding another light bulb
Back
Current
500pts
Answer
Adding a battery in series
Back
Circuits
100pts
What are three necessary elements
To complete a circuit?
Back
Circuits
100 pts
Voltage source
Resistance
Conducting wire
Back
Which is true concerning charges in
Circuits?
200 pts
a. Charges that leave the positive terminal of the battery
Come back through the negative terminal
b. Charges are lost as they come back into the battery
c. Charges are lost as they enter the light source
d. Charges are created inside the battery
Back
Electric Materials
200pts
Answer
a. Charges
that leave the positive
terminal of the battery come
back into the negative terminal
Back
Circuits
300 pts
What potential difference is required to cause
a 6.0 A to flow through a resistance of 2.0
ohms?
Back
Electric Materials
300 pts
12 Volts
Back
Electric circuits
400
If a light goes out in a string of Christmas
lights and the whole strand goes out.
Those lights must be connected in
_________.
Back
Electric current
400 pts
Answer
Series
Back
Electric Circuits
500 pts
A 12 volt battery is connected
to two light bulbs in parallel, if
the one light goes out what
happens to the other light?
Back
Electric Materials
500 pts
Answer
Nothing changes
Back
Electric Power
100 pts
A 500 W device is connected to
a 100-V power source. What
Current flows through it?
Back
Electric Power
100 pts
Answer
5 Amps
Back
Electric Power
200pts
Rate at which energy is transferred is called?
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Electric Forces
200pts
Answer
Power
Back
Electric Power
300pts
What happens to the power dissipated
in a circuit if the current increases by a
factor of four, and the resistance is
doubled?
Back
Electric Forces
300pts
Answer
Increases by a factor of thirty two.
Back
Electric energy can be
conserved by using high
voltage lines because?
Back
Current decreases and so
does the loss of power
Back
What power is lost when a 6 Amp current
flows through a 5 ohm resistor?
Back
180 Watts
Back
What is the capacitance on a
Capacitor if with a charge of
30C and a Voltage of 120 V?
Back
.25F
Back
What does the capacitance of a
parallel capacitor depend on?
Back
Indirectly related to:
C =kA/d
Distance between plates
Directly related to:
a. Insulators between plates
b. Area of plates
Back
What is the unit of
capacitance?
Back
Farad
Back
What is the energy of a
capacitor that has a
voltage of 6V and a
capacitance of 10 f ?
Back
180 J
Back
A 4F capacitor
provides 100 J of
energy. What is the
charge on the
capacitor?
Back
28C
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What is another
name for potential
difference?
Back
Voltage
Back
What current is produced if an 3 ohm resistor is
connected in series with a 9 v battery?
Back
3 Amps
Back
How is voltage related to
Electrical potential
energy?
Back
Voltage = PE / q
Back
What is the voltage across a region
With a distance of 5cm and an electric
Field of 4N/C?
Back
.2 volts
Back
The work done on a test charge
Divided by that test charge?
Back
Voltage
Back
When was the
internet developed?
Back
1960’s
Back