The heating coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00 m, and a total of 395 turns. a) What is their total self-inductance (in H) assuming they act like a single solenoid? b) How much energy (in J) is stored in them when 10.0 A flows? and c) What average emf (in mV) opposes shutting them off if this is done in 4.17 ms (one-fourth of a cycle for 60 Hz AC)?
The heating coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00 m, and a total of 395 turns. a) What is their total self-inductance (in H) assuming they act like a single solenoid? b) How much energy (in J) is stored in them when 10.0 A flows? and c) What average emf (in mV) opposes shutting them off if this is done in 4.17 ms (one-fourth of a cycle for 60 Hz AC)?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies
Section: Chapter Questions
Problem 64PE: The healing coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00 m, and a...
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The heating coils in a hair dryer are 0.800 cm in diameter, have a combined length of 1.00 m, and a total of 395 turns. a) What is their total self-inductance (in H) assuming they act like a single solenoid? b) How much energy (in J) is stored in them when 10.0 A flows? and c) What average emf (in mV) opposes shutting them off if this is done in 4.17 ms (one-fourth of a cycle for 60 Hz AC)?
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