Welcome to Physics Jeopardy Chapter 17
Final Jeopardy Question Electric Current Circuits 100 Capacitance Voltage Electric Powers
Back Current 100 pts What is the unit for current?
Amp =C/s Back current 100 pts Answer
How much charge must pass in 2s for the current to be 4.0A? Back Current 200 pts
8 C Back Current 200 pts
The rate of flow of charge in a closed circuit? Back Current 300 pts
Current Back Current 300 pts
Back Electric current 400pts What is the device used to measure current and how is it placed in the circuit?
Ammeter, series Back Current 400 pts Answer
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 500 pts
Back Current 500pts Answer Adding a battery in series
Back Circuits 100pts What are three necessary elements To complete a circuit?
Voltage source Resistance Conducting wire Back Circuits 100 pts
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
What potential difference is required to cause a 6.0 A to flow through a resistance of 2.0 ohms? Back Circuits 300 pts
Back Electric Materials 300 pts 12 Volts
Back If a light goes out in a string of Christmas lights and the whole strand goes out. Those lights must be connected in _________. Electric circuits 400
Series Back Electric current 400 pts Answer
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 Circuits 500 pts
Nothing changes Back Electric Materials 500 pts Answer
Back Electric Power 100 pts A 500 W device is connected to a 100-V power source. What Current flows through it?
5 Amps Back Electric Power 100 pts Answer
Back Electric Power 200pts Rate at which energy is transferred is called?
Back Power Electric Forces 200pts Answer
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 Power 300pts
Back Electric Forces 300pts Answer Increases by a factor of thirty two.
Back Electric energy can be conserved by using high voltage lines because?
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 ?
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
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
A 4F capacitor provides 100 J of energy. What is the charge on the capacitor? Back
28C
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
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
When was the internet developed? Back
1960’s Back