Why is it important to control the speed of the chain reaction in a nuclear reactor ?

Atomic bombs use much higher enrichment material with over 90% of U235 to create a massive chain reaction and produce a large amount of energy at one time. The control rods in a nuclear reactor are used to control the speed of the chain reaction and can capture free neutrons before they collide with U235 atoms.

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Atomic bombs use much higher enrichment material with over 90% of U235 to create a massive chain reaction and produce a large amount of energy at one time.

Explanation:

c. because step up transformer steps up the input voltage i.e increases the input voltage  

the number of turns are greater on the secondary side of step up transformer  

transformer does not handle dc current

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explanation:

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