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The current amplitude in a pure inductor in a radio receiver is to be 250 µA when the voltage amplitude is 3.60 V at a frequency of 1.60 MHz (at the upper end of the AM broadcast band).

(a) What inductive reactance is needed? What inductance?

(b) If the voltage amplitude is kept constant, what will be the current amplitude through this inductor at 16.0 MHz? At 160 kHz?

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