# Question: a Find the frequency at which a 250 mH inductor has

(a) Find the frequency at which a 250-mH inductor has a reactance of 400-Ω.

(b) At what frequency would a 0.40μF capacitor have the same reactance?

(b) At what frequency would a 0.40μF capacitor have the same reactance?

**View Solution:**## Answer to relevant Questions

A capacitor is connected to a variable-frequency ac voltage source. (a) If the frequency increases by a factor of 3, the capacitive reactance will be (1) 3, (2) 1/3, (3) 9, (4) 1/9 times the original reactance. Why? (b) If ...A coil in a 60-Hz circuit has a resistance of and an inductance of 0.45 H. Calculate (a) The coil’s reactance and (b) The circuit’s impedance. In a series RLC circuit, R = XC = CL = 40-Ω for a particular driving frequency. (a) This circuit is (1) inductive, (2) capacitive, (3) in resonance. Explain your reasoning. (b) If the driving frequency is doubled, what ...A series circuit is connected to a 220-V, 60-Hz power sup-ply. The circuit has the following components: a resistor, a coil with an inductive reactance of 120-Ω, and a capacitor with a reactance of 120-Ω. Compute the rms ...A 1.0μF capacitor is connected to a 120-V, 60-Hz source. (a) What is the capacitive reactance of the circuit? (b) How much current is in the circuit? (c) What is the phase angle between the current and the applied ...Post your question