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Welcome to Physics Jeopardy Electric Current Circuits Electric Powers Capacitance Electric potential& Electric potential difference 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 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 hooked placed in the circuit? Back Current 400 pts Answer Ammeter, series Back Current 500 pts 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 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. 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? Back 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 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 Back 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? Back 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 Back 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? Back 2 x 10 ^8 N/C Back In a region of charge. What does the electric field depend on? Back E = k Q / D2 Q The charge in the region D The distance from the test charge To the charge distribution. Back When was the internet developed? Back 1960’s Back