Most of the energy we use comes from something we already have on Earth. The only "new" energy we get comes from the ____________________.
Fill in the blank(s) with the appropriate word(s).
sun
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A carbon arc torch is a device that holds two carbon sticks and produces a ____ from the energy of an
electric welder.
a. current c. stream b. flame d. spark
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The part of an AC induction motor that turns is called:
A) The flywheel. B) The field. C) The rotor. D) The stator.
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A three branch parallel circuit has resistors of 27 ?, 56 ?, and 15 ?. What is the total resistance?
A. 9.64 ? B. 98 ? C. 18.22 ? D. 8.23 ?
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The device that is used on refrigeration systems to keep moisture from forming on cabinet surfaces is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
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