Question

Calculate current and heat produced in 10 second when a resistance connected with 250v power supply

Answer 1

Answer:

$Current = \frac{Voltage \: }{Resistance \: }$

$Heat \: produced = {Voltage } \times \: Current \times Time$

Voltage=250V

Time=10sec

If the resistance is R

Current= 250/R

Heat produced= 250×(250/R)× 10 J

Heat produced=625000/R Joules

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Answer 2

refers to the attachment.. . ..