The plug$-$in transformer for a laptop computer puts out $7\mathrm{.}50$ V and can supply a maximum current of $1\mathrm{.}7$ A$.$

Randomized Variables

I $=1\mathrm{.}7$ A

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What is the maximum input current Ip$,$ in amps, if the input voltage is $240$ V$?$ Assume $100\%$ efficiency.