1. I = q/t Current & Cons. Of Charge V = W/q R = pL/A Voltage & Resistance V=IR Ohm’s Law Series and ParallelName the Cartoon Characters 10 20 30 40 50 Circuits Jeopardy

2. The diagram below shows electric currents that are meeting at Junction P. What is the magnitude and direction of the electric current between points P and Q? 10 5 A 3 A P Q 8 A

3. A wire has 8 coulombs of charge pass through it every 3.0 x 10 -3 seconds. What is the electric current passing through this wire? I = 2666.7 A 20

4. 30 9 A What is the reading in ammeter A? A 7 A 5 A 3 A

5. What is the direction and magnitude of current at point Q? 40 4 A 3 A 1 A 6 A

6. A current of 8 amperes passes through a resistor in 2 x 10 -2 seconds. What is the charge passing through the resistor in this time? q =.16 coulombs 50

7. If a battery supplies a voltage of 2 volts, then how much work must be done to move a charge of 10 coulombs? 20 Joules 10

8. If 100 joules of work is done on 0.74 coulombs of charge, what is the potential drop? 135.14 volts 20

9. 1.29 x 10 -8 Ω 30 What is the resistance in a wire that has length of 3 meters, cross- sectional area of 4 meters squared and a resistivity of copper?

10. R/2 40 If I had a wire with cross sectional area A and a resistance R, then what would be the resistance of another wire made of the same material but with cross sectional area equal to 2A?

11. 2R 50 If the length of a wire is doubled the what will happen to the resistance of the wire?

12. If a 9 volt battery produces an electric current of 3 amperes, then what is the total resistance in the circuit? 3 ohms 10

13. What does the slope of the line in the graph below represent? Resistance 20 VOLTAGE CURRENT

14. 0.2 amperes A 15 ohm resistor has a potential difference of 3 volts placed across it. What electric current travels through this resistor? 30

15. 150 volts A 30 ohm resistor receives 25 coulombs of charge through it in 5 seconds. What is the potential difference across the resistor? 40

16. 120 volts A wire has a cross-sectional area of a wire is 8.6 x 10 -12 meters squared, a length of 0.02 meters, and a resistivity of 1.72 x 10 -8 ohm meters. If a current of 3 amperes is sent through this wire then what is the potential difference in the wire? 50

17. What is the law total voltage through the circuit if V1 reads 3 volts and V2 reads 12 volts? V = 15 volts 10 A V V1V1 V2V2

18. 0.4 amperes If the current through resistor 2 is 0.4 amperes, what is the current being read in the ammeter? 20 A V V1V1 V2V2

19. 9 volts If the voltmeter reads 9 volts, what is the total voltage in the circuit? 30 V A

20. 12 amperes What is the current in the ammeter if the current in resistor 1 is 3 amperes, resistor 2 is 4 amperes and resistor 3 is 5 amperes? 40 V A

21. 50 Where should the voltmeter and ammeter be placed in the circuit to correctly measure the voltage and current, respectively? V A V A

22. 10 Linus van Pelt, Charlie Brown

23. 20 Pinky and the Brain

24. 30 Brain, Penny, Inspector Gadget

25. 40 Ranger Smith, Yogi Bear, Cindy Bear, Boo-Boo

26. 50 Dewey, Huey, Louie, Scrooge McDuck