Question

please answer fast.....
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Answer 1

Answer:

Current Electricity

Explanation:

★ Given ;

» Power ( P ) = 1250 W

» Potential Difference ( V ) = 250 v

» Current ( I ) = ??

» Resistance ( R) = ??

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A ] Electric current drawn by it

Power ( P ) = Voltage ( V ) × current ( I )

I = P / V = 1250 / 250 = 5 ampere .

Current = 5 ampere

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C ] Resistance of geyser

Power ( P ) = Voltage ² / R

Resistance = V² / P

= 250 × 250 / 1250

Resistance ( R ) = 50 ohms

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B ] Energy Consumed in 50 hours

50 hours = 60 × 60 × 50 seconds

Energy ( H ) = Voltage ( V ) × current ( I ) × Time ( t )

= 250 × 5 × 50 × 60 × 60

= 250 × 250 × 3600

= 225 × 10⁶ Joules

H = 225 M Joules

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Answer 2

Answer:

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