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current electricity
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TOPIC: current electricity
#103811

current electricity 3 Years, 9 Months ago

 

A power station supplies 100kW to a load via cables of which resistance is 5 ohms. Find the power loss in the cable if the p.d. across the load is 10^4 V.




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Akhil Mahajan
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#104935

Re: current electricity 3 Years, 8 Months ago

 
100 kw =10^5 watt. first finding the current across load, I=10^5/10^4=10 ampere (since power=V*I) now power loss= I^2 *R= 100*5=500 watt.


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