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Calculate the electrical energy expended in a device across which the circuit voltage drops by 50 volts in moving a charge of 6 coulombs.



Answer :

AL2006
1 volt = 1 joule per coulomb 50 volts = 50 joules per coulomb 50 joules/coulomb times 6 coulombs = 300 joules
miaumiau
[tex]I=\dfrac{Q}{t} \\ \\ \\ W=VIt=V\dfrac{Q}{t}t=VQ=50\times 6=300[/tex]

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