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Transcript
Electricity Jeopardy Circuits 1 Circuits 2 Electric Current Ohm Extra 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 Circuits 1 Draw a series circuit with two 5-ohm resistors, a switch and a 9 volt battery $100 Answer Circuits 1 5 Ohms 9V 5 Ohms $200 Circuits 1 Ammeters always must be connected in __________. $200 Answer Circuits 1 Seires $300 Circuits 1 Draw a circuit diagram with a parallel circuit, that has a 9 volt battery, and two 15 ohm resistors. Also, draw how a voltmeter would be connected to measure the voltage drop across just one branch. $300 Answer Circuits 1 9V 15 ohms 15 ohms V $400 Circuits 1 30 Ohms 120 V 20 Ohms What is the total current in this circuit? $400 Answer Circuits 1 2.4 Amps $500 Circuits 1 20 Ω 15 Ω What is the equivalent resistance? 30 Ω $500 Answer Circuits 1 R = 6.67Ω $100 Question Circuits 2 Draw a parallel circuit with a 9 volt battery, a 5 ohm resistor, and a 10 ohm resistor that has its own switch. $100 Answer Circuits 2 9V 10 ohms 5 ohms $200 Question Circuits 2 Is fuse in your house connected in series or in parallel? $200 Answer Circuits 2 In series $300 Question Circuits 2 As you add bulbs in series, what happens to the bulbs? Why? $300 Answer Circuits 2 They get dimmer because the current decreases as resistance increases $400 Question Circuits 2 1.5 V 5Ω 4Ω What is the total current running through this circuit? $400 Answer Circuits 2 I = 0.675 A $500 Question Circuits 2 5Ω 9V 10 Ω 10 Ω What is the equivalent resistance in this circuit? $500 Answer Circuits 2 R = 10 Ω $100 Question Electric Current What 2 things must there be for there be a flow of charge from one place to another? $100 Answer Electric Current A path of conducting material A voltage $200 Question Electric Current For most conductors, as their temperature increases, their resistance __________? $200 Answer Electric Current Increases $300 Question Electric Current You flip on a switch for a lamp plugged into the wall. A moment after you flip the switch, the electrons that are moving to light your bulb most likely came from where? $300 Answer Electric Current The wire that makes up the circuit NOT THE WALL SOCKET!!! $400 Question Electric Current How much current is running through a circuit when 150 Coulombs of charge move in 3 seconds? $400 Answer Electric Current 50 Amps $500 Question Electric Current How much time does it take for a current of 4 amps to carry 3 x 10-10 C of charge through a wire? $500 Answer Electric Current t = 7.5 x 10-11seconds $100 Question Ohm What is the voltage of a circuit that has a resistance of 15 ohms and a current of 4 amps? $100 Answer Ohm v = 60 volts $200 Question Ohm What is the resistance of a wire if a 9 volt batter produces a current of .5 amps? $200 Answer Ohm R = 18 ohms $300 Question Ohm What is the current in a wire that has a resistance of 20 ohms and whose battery has a potential difference of 120 volts? $300 Answer Ohm I = 6 amps $400 Question Ohm How much voltage are you using if your 60 Watt light bulb has current of 0.5 A passing through it? $400 Answer Ohm V = 120 V $500 Question Ohm How long does it take 4 C of charge to pass through a resistor with 30 ohms if you hook a 9 volt battery up to it? $500 Answer Ohm t = 13.3 seconds $100 Question Extra Why is a squirrel able to stand on a power line with out dying? $100 Answer Extra No difference in potential between Its feet $200 Question Extra What is the power of a light bulb if it is attached to a 9 volt battery and the current in the circuit is 2 amps? $200 Answer Extra P = 18 watts $300 Question Extra Name the 3 ideal conditions for a wire in a circuit. $300 Answer Extra Short, Thick, and Cool $400 Question Extra What is the current in a 60 W bulb connected to a 120 V source? $400 Answer Extra I = .5 amps $500 Question Extra What is the resistance of a 40 watt bulb if you plug it into the socket of the wall (120 volts)? $500 Answer Extra R = 360 ohms Final Jeopardy How much charge does a 40 watt bulb have pass through it if you plug it into the socket of the wall (120 volts) and allow it to stay on for 5 seconds? Final Jeopardy Answer q = 1.67 C