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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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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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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