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Physics Bell ringer

Get ready for an interactive physics review session that dives deep into the world of electricity and charge! In this engaging game, students will explore key concepts like static charge, series circuits, and resistance while testing their knowledge. Participants will answer questions related to sub-atomic particles, Coulomb's law, and potential difference, all while drawing circuits and calculating electrical values. With a mix of theory and practical application, this game is perfect for reinforcing learning and preparing for upcoming tests.

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Physics Bell ringer

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Presentation Transcript

  1. Physics Bell ringer • Get a board and marker • Quietly wait for review

  2. Review Game Eureeka

  3. 1. What sub-atomic particle is responsible for the acquiring of static charge? electrons

  4. 2. A negatively charged object is brought near a negative electroscope, what will happen to the leaves? they will stay the same

  5. Draw a series circuit consisting of a 9-V source, a 2-Ω and a 4-Ω resistor • Leave it on your board

  6. Using a 3-A current: 4-ohm 4. Which of the resistors will have the highest potential energy drop associated with it?

  7. 5. The Coulomb is the unit to measure what? charge

  8. It stays the same Δcharge doesn’t Δ gravity heehee 6. If the charge on each of two small spheres doubles, what will happen to the force of gravity between them?

  9. 6. It takes 15-J to move 3-C of positive charge. What is the Electric potential at this point? 5-V

  10. 7. Which will have more resistance… A small/large wire A long/short wire A copper or glass wire

  11. 8. If the voltage across a 12-Ω resistor is 4.0-V, the current through the resistor is what? 0.33-A

  12. The electrical resistance of a metal wire could be decreased by • Increasing the diameter • Increasing its length • Increasing its temperature

  13. 10. If the temperature of a conductor is increased, the amount of current at 10-Volts would do what? decrease

  14. 11. If the length of a conductor increased what would happen to the amount of current in a 10-Volt carrying wire? decrease

  15. 14. What is the potential difference of the source? 10-V 10-V 10-V 30-Volts

  16. 16. What is the current through the second resistor? 0.33-A 3.0 Ω 3.0 Ω 3.0 Ω 3.0-V

  17. Calculate the power dissipated in a 100-Ω resistor if there is a 4.0-V potential difference established across it. 0.16-Watts

  18. The Milikin oil drop experiment showed the existence of what? elementary charge for an electron

  19. 1.6 x 10-17 Coulombs 19. A charge of 100-elementray charges is equivalent to how many Coulombs?

  20. It becomes 1/9 as strong As the distance b/t two point charges is tripled, what happens to the force b/t the charges?

  21. 21. A charge of 5.0-C moves through a circuit in 0.5-seconds. How much current is flowing in the circuit? 10-Amps

  22. Interlude for random guessing Which picture am I thinking of?

  23. 23. The graph below shows the relationship b/t potential difference and current for four resistors A V I Which resistor has the greatest resistance?

  24. Draw a Voltage vs.Current graph referring to a real material as opposed to one following Ohm’s Law Voltage Current

  25. Hee . . .hee. . .hee

  26. That is the end • Your test is Wednesday • Tally your points

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