Electrical power is conveyed to an air conditioner through an aluminum bar that is in contact with a input plate. The aluminum bar goes through the room and ends 3.00 m below the air conditioner. When the temperature in the room (there is a lot of machinery) is 32.0 °C, the overlap of the bar and the contact plate is 1.20 mm. When the room cools off enough for the bar to shrink and lose contact, the air conditioner shuts off. What is the shut-off temperature for the bar? Please show steps and equations

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Electrical power is conveyed to an air conditioner through an aluminum bar that is in contact with a input plate. The aluminum bar goes through the room and ends
3.00 m below the air conditioner. When the temperature in the room (there is a lot of machinery) is 32.0 °C, the overlap of the bar and the contact plate is 1.20 mm.
When the room cools off enough for the bar to shrink and lose contact, the air conditioner shuts off. What is the shut-off temperature for the bar?
Please show steps and equations
Transcribed Image Text:Electrical power is conveyed to an air conditioner through an aluminum bar that is in contact with a input plate. The aluminum bar goes through the room and ends 3.00 m below the air conditioner. When the temperature in the room (there is a lot of machinery) is 32.0 °C, the overlap of the bar and the contact plate is 1.20 mm. When the room cools off enough for the bar to shrink and lose contact, the air conditioner shuts off. What is the shut-off temperature for the bar? Please show steps and equations
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