If a current of #6 A# passing through a circuit generates #6 W# of power, what is the resistance of the circuit?

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Answer 1 · 2018-06-06T00:23:50

Around #0.17# ohms.

Power is related with current and resistance through the equation:

#P=I^2R#

where:

#I# is the current in amperes

#R# is the resistance in ohms

So here, we have:

#R=P/I^2#

#=(6 \ "W")/((6 \ "A")^2)#

#=(6 \ "W")/(36 \ "A"^2)#

#~~0.17 \ Omega#