Question

Two heaters rated 750 W, 200 V and 1000 W, 200 V are connected in parallel across 200 V supply. Calculate total power consumed.

Answer 1

power (W) = voltage (V) x current (A)
750 = 200 x i1
i1 = 3.75 A

1000 = 200 x i2
i2 = 5 A

total i = i1 + i2 = 8.75 A
total power = 200 x i = 1750 W

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Answer 2

Answer:1750W

Explanation:power (W) = voltage (V) x current (A)

750 = 200 x i1

i1 = 3.75 A

1000 = 200 x i2

i2 = 5 A

total i = i1 + i2 = 8.75 A

total power = 200 x i = 1750 W