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As the temperature of a body increases the color of the body shifts from red toward...

As the temperature of a body increases the color of the body shifts from red toward blue. True or false

A transformer works only with AC sources. true or false

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Answer #1

1.True The temperature of a body increases the color of the body when shifts from red to blue because blue hot is hotter than red hot.

2. True . Transformer works only A.C. Because the current in the primary winding goes up and down .

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