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This is Jeopardy

This is Jeopardy. Electricity. Final Jeopardy. Define static electricity. The accumulation of excess electric charges on an object. Back. What are the possible charges on object attracted to a negatively charged rod?. Positive or Neutral. Back.

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This is Jeopardy

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  1. This is Jeopardy Electricity

  2. Final Jeopardy

  3. Define static electricity The accumulation of excess electric charges on an object Back

  4. What are the possible charges on object attracted to a negatively charged rod? Positive or Neutral Back

  5. After rubbing a balloon to your head it clings to the wall. What are the forces acting on the balloon? Which force is greater Gravitational force and electrical force Electrical force is greater Back

  6. Two charges, 2.3x10-5 C and -3.2x10-5 C are 0.034 m apart. What is the force between the two particles? -5730 N Back

  7. The magnitude of the attractive force between two objects is 46 N. One has a charge of 1.8x10-6 C and the other of -1.4x10-6 C. How far apart are the two objects? 0.02 m Back

  8. Draw the electric field emanating from a positive charge. From a negative charge? Back

  9. Draw the electric field lines between the following charges. + + - Back

  10. A force of 25 N exists on charge q, which is 2.0x10-19 C. What is the magnitude of the electric field. 1.25x1020 N/C Back

  11. What is the magnitude of charge on a test charge that experiences of a force of 1.5x10-8 N at a point where the electric field intensity is 6.0x10-4 N/C. 2.5x10-5 C Back

  12. Use Coulomb's Law to explain why an attractive force is always negative. Back

  13. Define an electric current Flow of charged particles Back

  14. The current through a 12 V car battery is 210 A. Calculate the power of the car in kilowatts. 2.52 kW Back

  15. A 50 W lamp is connected to a 120 V power source. Calculate the resistance of the lamp. 288 Ω Back

  16. What energy (in kilojoules) is required to charge your phone for 40 minutes in a 120 V outlet receiving a 0.3 A current? 86.4 kJ Back

  17. A 20-V car heater takes 15 minutes to heat a car to a specific temperature. How long would it take a 60-V unit operating with the same current take to accomplish the same task? 5 minutes Back

  18. Give the following equations for a series circuit V1=R1∙ I Vtotal=V1+V2+V3 I constant I=Vtotal / Rtotal Rtotal = R1 + R2 +R3 Back

  19. Give the following equations for a parallel circuit V constant V = Rtotal∙ItotalI1=V / R1Itotal=I1+I2+I31/Rtotal=1/R1+1/R2+1/R3 Back

  20. Calculate the total current flowing through the circuit? R1=10Ω R2=20Ω R3=15Ω 0.33 A Back

  21. Calculate the total current, and the current through R1,R2, & R3. 20 V R1= 10Ω R2= 20Ω R3= 15Ω Back I1 = 2.0 A, I2 = 1.0 A, I3 = 1.33 A Itotal=4.33 A

  22. Calculate the effective resistance of R2,3 and draw the equivalent circuit. Calculate the total current of the circuit. Determine the reading a voltmeter placed across R1. R1=10Ω 15 V R2= 20Ω R3= 60Ω Back R2,3 = 15 Ω Itotal = 0.6 A, V1 = 6 V

  23. What is the unit of power and time electrical companies use to measure energy expended in a household? Kilowatt-hours Back

  24. How many current paths are present in a circuit if three resistors are connected in a parallel circuit? three Back

  25. Name three sources of electrical energy. Thermal, Geothermal, Nuclear, Hydroelectric, Solar, Wind Back

  26. Back

  27. Back

  28. Calculate the total effective resistance of the following circuit. 193 Ω Back End Game

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