Series/Parallel Circuits: Three resistors of 12 ?, 12 ?, and 6.0 ? are connected together, and an ideal 12-V battery is connected across the combination. What is the current from the battery if they are connected (a) in series or (b) in parallel?

Fill in the blank(s) with the appropriate word(s).


(a) 0.40 A (b) 4.0 A

Physics & Space Science

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Which uranium isotope has the largest cross section for slow neutrons?

A) U-236 B) U-238 C) U-237 D) U-235 E) U-239

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A boat loaded with rocks is floating in a swimming pool. If the rocks are thrown into the pool, the water level in the pool, after the rocks have settled to the bottom,

A) falls. B) rises. C) stays the same.

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