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Author Question: A transformer is designed to step down the 120 V line voltage to 9 V. If there are 400 turns on the ... (Read 37 times)

LCritchfi

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on: Jul 29, 2018
A transformer is designed to step down the 120 V line voltage to 9 V. If there are 400 turns on the input coil, how many turns should there be on the output coil?

Question 2

(a) What is the wavelength of the peak of the blackbody radiation curve for something at 3,000 kelvins (the temperature of the filament of a light bulb)? (b) What type of EM wave is this?


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amanda_14

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Reply #1 on: Jul 29, 2018
Answer to Question 1

30

Answer to Question 2

(a) 9.67  107 m, (b) infrared


LCritchfi

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Reply #2 on: Jul 29, 2018
TY


amanda_14

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Reply #3 on: Jul 29, 2018
You're welcome


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