A 3.3 k resistor dissipates 0.25 W. The current is

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1.	A 3.3 k resistor dissipates 0.25 W. The current is
Answer» W = I2R I = square root(W/R) = square root( 0.25/(3.3x1000) ) = 0.0087038828 = 8.7 mA

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