Welcome to Physics Jeopardy Chapter 17

Final Jeopardy Question Electric Current Circuits 100 Capacitance Electric potential& Electric potential difference 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 hooked placed in the circuit?

Ammeter, series Back Current 400 pts Answer

Which of the following would increase the current threw 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.

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

A positive strip touches the knob of the electroscope and then removed. What happens to the leaves when it is removed? Back

They stay positively charged and apart. Back

What type of charge is left on a electroscope if it is charged negatively by induction? Back

Positive

What type of material is an electroscope made of? Back

Conductor Back

It must be grounded? Back

What must be done to an electroscope to induce a positive charge before removing a negative charge?

What does the electroscope show when the electroscope leaves open? Back

The electroscope opens due To repulsion? Back

What is the unit for electric field? Back

N/C Back

What current is produced if an 3 ohm resistor is connected in series with a 9 v battery? Back

3 Amps

What direction does the field lines take with respect to positive and negative charges? Back

Away from positive charges Toward negative charges Back

What is the electric field in a region a 1 uC test charge experiences a 200 N Force?

2 x 10 ^8 N/C Back

In a region of charge. What does the electric field depend on?

Back E = k Q / D 2 Q The charge in the region D The distance from the test charge To the charge distribution.

When was the internet developed? Back

1960’s Back