A charge of #30 C# passes through a circuit every #5 s#. If the circuit can generate #33 W# of power, what is the circuit's resistance?

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Answer 1 · 2016-04-20T19:23:41

#R=0,92Ohm#

#"the electric current is given by ;"I=(Delta Q)/(Delta t)#

#Delta t=5s#
#Delta Q=30C#

#I=30/5#
#I=6A#

#P=33W#
#R=?#

#"using the electric power formula;"#
#P=I^2*R#

#33=6^2*R#

#33=36*R#

#R=33/36#

#R=0,92Ohm#