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When a particular inductor is connected to a source of sinusoidally varying emf with constant amplitude and a frequency of $60\mathrm{.}0$ Hz $,$ the rms current is $3\mathrm{.}00$ A $.$ What is the rms current if the source frequency is doubled?

$12\mathrm{.}0$ A

$6\mathrm{.}00$ A

$4\mathrm{.}24$A

$3\mathrm{.}00$ A

$1\mathrm{.}50$ A