Two resistors R 1 = 374 ?, R 2 = 690 ?, a capacitor C = 2.75 Two resistors R1 =

Question

Two resistors R1 = 374 ?, R2 = 690 ?, a capacitor C = 2.75

Two resistors R1 = 374 ?, R2 = 690 ?, a capacitor C = 2.75 muF, and an inductor L = 6.3 mH, are connected to a sinusoidal voltage source with an rms voltage of 92.0 V as shown in the diagram below. (a) Determine the rms current from the source for very large frequency. Irms = A (b) Determine the rms current from the source for a very small frequency. Irms = A Note: Changed the value of C from 1.8 mF to 2.75 mF; L from 5.1 mH to 6.30 mH; rms voltage from 75 V to 92.0 V.

Explanation / Answer

A)

here , for a very large frequency ,

the capacitor is short circuit and inductor is open circuit

Hence, the current from the source is

Irms = 92/374

Irms = 0.246 A

B)

for a very small frequency ,

the capacitor is open circuit and inductor is short circuit

Hence, the current from the source is

Irms = 92/690

Irms = 0.133 A

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.