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. What inductive reactance is needed? What inductance? 144 kQ, 14.3 mH 14.4 k, 14.3 mH 1.44 k0, 0.143 mH 14.4 kQ, 1.43 mH
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- At what frequency does the inductive reactance of a 66.0-uH inductor equal the capacitive reactance of a 66.0-uF capacitor? kHzA series RLC circuit driven by a source with an amplitude of 120.0 V and a frequency of 50.0 Hz has an inductance of 767 mH, a resistance of 278 N, and a capacitance of 42.9 µF. (a) What are the maximum current and the phase angle between the current and the source emf in this circuit? Imax = A Pミ (b) What are the maximum potential difference across the inductor and the phase angle between this potential difference and the current in the circuit? VL, max V P = (c) What are the maximum potential difference across the resistor and the phase angle between this potential difference and the current in this circuit? VR, max P = (d) What are the maximum potential difference across the capacitor and the phase angle between this potential difference and the current in this circuit? Vc, max VA loop of wire has a self-inductance of 5.5 mH. You pass a current of 9.0 Amps though the loop, and then drop the current to 0 at a contastant rate over 3.5 seconds. What is the EMF generated?
- A 4G phone has a data receiver with an inductance of 0.3 μH. When the capacitance is tuned to 2e-13 F, the signal is the strongest. The wireless frequency is _____ MHz.Electrosurgical units (ESUS) supply high-frequency electricity from resonant RLC circuits to cut, coagulate, or otherwise modify biological tissue. HINT (a) Find the resonance frequency (in Hz) of an ESU with an inductance of L = 1.75 µH and a capacitance of 44.0 nF. Hz (b) Calculate the capacitance required (in F) for a resonance frequency of 2.23 MHz.A 20 mH inductor is connected across an AC generator that produces a peak voltage of 10.0 V. What is the peak current through the inductor if the emf frequency is (a) 100 Hz? (b) 100 kHz?