Question

Find the resistance of 1000W - 250 V heater wire

Answer 1

p=vi formula
I=p÷v
$1000 \div 250 = 4ampre \\ current \\ v = ir \\ r = v \div i \\ 250 \div 4 = 62.5$

Answer 2

Thus so. _________
___________________________________________________________________________________

➡ GIVEN

. POWER OF WIRE - 1000 W

VOLTAGE OF WIRE - 250 V

THEN

AS

➿ P = V * I

. P = V ² / R

. 1000 = 250 ² / R

. R = 62500 / 1000

. R =. 625 / 10

. R = 62 . 5 OHM

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