7. The ability of material to oppose the flow of electrons? a. current b. voltage c. resistance d. circuit 8. What do you call the difference of electrical energy between two points? a. current b. voltage c. resistance d. circuit 9. What do you call the material that does not allow electric current to pass through? b. conductor c. insulator C. c. super conductor d. none of the above 10. Which will possibly happen when 4 LEDs with forward voltage of 3V is connected in series with 9-volt power source? a. All will light in full brilliance. b. The first three light is in full brilliance while the last one light is dimmer. c. The first two light is fully in brilliance, the third is dim and the last has no light. d. The first will light fully, the second is dim and the last two has no light. Additional Activities Read each scenario and explain comprehensively the following questions: 1. If 10 LEDs with 2 volts forward voltage connected in series with 12-volt battery what would possibly happen? Why? 2. If 10 LEDs 2 volts forward voltage connected to 12-volt battery in parallel what will happen? Why?

7. The ability of material to oppose the flow of electrons? a. current b. voltage c. resistance d. circuit 8. What do you call the difference of electrical energy between two points? a. current b. voltage c. resistance d. circuit 9. What do you call the material that does not allow electric current to pass through? b. conductor c. insulator C. c. super conductor d. none of the above 10. Which will possibly happen when 4 LEDs with forward voltage of 3V is connected in series with 9-volt power source? a. All will light in full brilliance. b. The first three light is in full brilliance while the last one light is dimmer. c. The first two light is fully in brilliance, the third is dim and the last has no light. d. The first will light fully, the second is dim and the last two has no light. Additional Activities Read each scenario and explain comprehensively the following questions: 1. If 10 LEDs with 2 volts forward voltage connected in series with 12-volt battery what would possibly happen? Why? 2. If 10 LEDs 2 volts forward voltage connected to 12-volt battery in parallel what will happen? Why?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter2: Basic Electricity

Section: Chapter Questions

Problem 18RQ: True or False: All atoms tend to lose electrons.

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