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The heat produced by 150 w heater in 3 minutes is

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2.7 \times 10^{3} J

27 \times 10^{3} J

0 .27 \times 10^{3} J

270 \times 10^{3} J

answer is B.

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Detailed Solution

P = \frac{W}{t}

$P = 150 W, t = 3 minutes$

$= 3 \times 60 s$

$W = P \times t$

$= 150 \times 3 \times 60$

$= 450 \times 60$

$= 27000$

$= {27×10}^{3} J$

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