A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its resistance. The effective duration of the flash is 0.250 s, during which it produces an average 0.500 W from an average 3.00 V. (a) What energy does it dissipate? (b) How much charge moves through thelamp? (c) Find the capacitance. (d) What is the resistance of the lamp?
A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its resistance. The effective duration of the flash is 0.250 s, during which it produces an average 0.500 W from an average 3.00 V. (a) What energy does it dissipate? (b) How much charge moves through thelamp? (c) Find the capacitance. (d) What is the resistance of the lamp?
Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 86AP: A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its...
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A flashing lamp in a Christmas earring is based on an RC discharge of a capacitor through its resistance. The effective duration of the flash is 0.250 s, during which it produces an average 0.500 W from an average 3.00 V. (a) What energy does it dissipate? (b) How much charge moves through the
lamp? (c) Find the capacitance. (d) What is the resistance of the lamp?
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