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27 Nov 2019
The wire in a heating element of an electric stove burner has a0.75-m effective length and a 2.0*10^-6 m cross-section area. Thewire is made of iron.
(a) What is its resistance when the stove is off (ie. 20 degreeC)?
(b) When on, it operates at a 370 degree C temp. What is itsoperating resistance?
The wire in a heating element of an electric stove burner has a0.75-m effective length and a 2.0*10^-6 m cross-section area. Thewire is made of iron.
(a) What is its resistance when the stove is off (ie. 20 degreeC)?
(b) When on, it operates at a 370 degree C temp. What is itsoperating resistance?
27 Jun 2023
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Collen VonLv2
27 Nov 2019
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