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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Standard welding ____ are used to indicate the welds required.
A. objects B. marks C. symbols D. indicators
There is a turns ratio of ____________________ between each primary winding and the secondary winding.
What will be an ideal response?
The evaporator ____________________ heat.
Fill in the blank(s) with the appropriate word(s).
A 220-V electric heater has two heating coils that can be switched such that either coil can be used independently or the two can be connected in series or parallel, for a total of four possible configurations. If the warmest setting corresponds to 2,000-W power dissipation and the coolest corresponds to 300 W, find the resistance of each coil.
Find: a) The resistance of each coil b) The power dissipation of each of the other two possible arrangements.