Consider the circuit shown in Figure 1. The capacitors have the same plate area. The capacitance of the air-filled capacitor (on the right) in Cair= 6 µF, and its plate separation is d. The dielectric constant of the slab in the capacitor on the left is K=2. The applied potential difference by the battery is V=12 V. a) Calculate the equivalent capacitance of this combination of two capacitors K Cair Figure 1 b) Find the potential differences, V1 and V2 , across the capacitor c) Find the energy stored, U1 and Uz in each capacitor A copper wire has a diameter of 2.0 mm and a length of 3.0 m. It carries a current of 6.3 A. The density of free electrons in copper is 8.5x1028 electrons per cubic meter and resistivity of copper is 1.7x10$Q.m. a) What is the current density in the wire? b) What is the resistance of the wire? c) d) What is the electric field in the wire? What is the drift velocity of free electrons? Or calculate the drift velocity of free electrons (or find the drift velocity of free electrons) e) Find the power dissipated as heat in the wire.

Consider the circuit shown in Figure 1. The capacitors have the same plate area. The capacitance of the air-filled capacitor (on the right) in Cair= 6 µF, and its plate separation is d. The dielectric constant of the slab in the capacitor on the left is K=2. The applied potential difference by the battery is V=12 V. a) Calculate the equivalent capacitance of this combination of two capacitors K Cair Figure 1 b) Find the potential differences, V1 and V2 , across the capacitor c) Find the energy stored, U1 and Uz in each capacitor A copper wire has a diameter of 2.0 mm and a length of 3.0 m. It carries a current of 6.3 A. The density of free electrons in copper is 8.5x1028 electrons per cubic meter and resistivity of copper is 1.7x10$Q.m. a) What is the current density in the wire? b) What is the resistance of the wire? c) d) What is the electric field in the wire? What is the drift velocity of free electrons? Or calculate the drift velocity of free electrons (or find the drift velocity of free electrons) e) Find the power dissipated as heat in the wire.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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