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When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Diverging mirrors and lenses always produce images

Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.