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Unformatted text preview: What is the voltage used by the 8 ohm resistor? A typical lightning bolt from a cloud hits a tree after traveling 190 m to the treetop through an electric field of 2.5E6 N/C. The duration of the bolt is 125 ms. 30 3 12 6 8 63V A 1 A 2 A 3 12. What is the charge in the cloud? 13. What is the voltage in the bolt? 14. What is the current in the bolt? 15. How much power is delivered by the bolt? (in watts) 16. How much energy does the bolt deliver? 17. What is the maximum resistance of resistors having values of 23 , 18 and 47.5 ? 18. What is the minimum value of the three resistors mentioned above? Answers: 1) 374,400 N/C 2) 18720V 3)1.9mJ 4)043mA 5) 3.0 A 6) 9.0V 7) 38.9 W 8) 12 9) 2.25E21 10) 216C 11)14.4V 12) 10.0C 13) 4.75E8V 14) 80A 15) 3.8E10W 16) 4.75E9J 17) 88.5 18)10.2...
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 Spring '08
 Kruse,M
 Physics, Resistance

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