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April 24, 2024, 02:54:52 am

Author Topic: Draw a diagram clearly showing the energy flows for this device.  (Read 417 times)  Share 

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starbuckscoffee

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Draw a diagram clearly showing the energy flows for this device.
« on: September 06, 2009, 10:48:32 pm »
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A heat pump is able to deliver more energy for heating a house than the amount which is obtained from the electricity supply.Its specifications show: electric power consumption is 800 W and delivers 2000 W heating to the interior of the house. Mr Joule the heating installer tells you that this is a wonderful way of getting 1200W heating from nowhere.

(a)Draw a diagram clearly showing the energy flows for this device.

thanks