Compared with the voltage input to a transformer, the voltage output can be
A) greater.
B) less.
C) greater or less.
Answer: C
Physics & Space Science
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Electric Field of Point-Charges: Three equal positive point charges +q are placed at the corners of a square of side d as shown in the figure. Which one of the arrows shown represents the direction of the net electric field at the center of the square?
A. A B. B C. C D. D
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Synchronous rotation is when a moon's rotation period and orbital period are the same
Indicate whether the statement is true or false
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If a material is highly opaque, then it
A) reflects most light. B) absorbs most light. C) transmits most light. D) scatters most light. E) emits most light.
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The moon ________ may have erupted to create the E rings around Saturn
Fill in the blank(s) with correct word
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