In Example 22.6 the length of a 60 W, 240 fl lightbulb filamentwas calculated to be 60
Chapter 22, Problem 31(choose chapter or problem)
In Example 22.6 the length of a 60 W, 240 fl lightbulb filamentwas calculated to be 60 cm.a. If the potential difference across the filament is 120 V, whatis the strength of the electric field inside the filament?b. Suppose the length of the bulb's fil ament were doubled withoutchanging its diameter or the potential di fference across it.What would the elect1ic field strength be in this case?c. Remembering that the current in the filament is proportionalto the electric field, what is the current in the filament fol lowingthe doubling of its length?d. What is the resistance of the filament following the doublingof its length?
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