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Posted by on Thursday, April 3, 2008 at 5:55pm.

If the TV draws a 150W of power, the dishwasher 1500 W of power and the computer 100 W of power, will a typical 15 A circuit breaker trip if they operate simultaneously on one line? Explain why.

Isn't P= IV and P=I^2R and P- V^2/R
So wouldn't that mean that as these three appliances are being used power increases so I will also increase causing the 15 A circuit breaker to trip. Also because they are operating simultaneously on one line wouldn't that mean they are in series so I throughout the circuit is the same?

  • Physics - , Thursday, April 3, 2008 at 8:32pm

    The three appliances would be operating in parallel.

    Total power drawn is 1750 W, which at 110 V (which is typical in the USA) corresponds to 15.9 A. At 115 V, it would be 15.2 A.

    The breaker would probably trip.

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