The following three impedances are connected in series across a 40 V, 20 kHz supply: (i) a resistance of 8W, (ii) a coil of inductance 130 µH and 5 W resistance, and (iii) a 10W resistor in series with a 0.25 µF capacitor. Calculatethe circuit current, the circuit phase angle and the voltage drop across each impedance. A capacitor C is connected in parallel with a resistor R across a 120 V, 200 Hz supply. The supply current is 2 A at a power factor of 0.6 leading. Determine the values of C and R. A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40 cm and a uniform cross sectional area of 4 cm2. If the current in the coil is 5 A, calculatethe magnetic field strength, the flux density and the total magnetic flux in the ring.

In this question series RLC circuit is given....We have to find out total impedance, current and…

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Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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The following three impedances are connected in series across a 40 V, 20 kHz supply: (i) a resistance of 8W, (ii) a coil of inductance 130 µH and 5 W resistance, and (iii) a 10W resistor in series with a 0.25 µF capacitor. Calculate
the circuit current,
the circuit phase angle and
the voltage drop across each impedance.
- A capacitor C is connected in parallel with a resistor R across a 120 V, 200 Hz supply. The supply current is 2 A at a power factor of 0.6 leading. Determine the values of C and R.
  - A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40 cm and a uniform cross sectional area of 4 cm². If the current in the coil is 5 A, calculate
    - the magnetic field strength,
    - the flux density and
    - the total magnetic flux in the ring.

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