Determine the charge stored on a 2.2 µF capacitor if the capacitor's voltage is 5 V. 11µC In some integrated circuits, the insulator or dielectric is silicon dioxide, which has a relative permittivity of 4. If a square capacitor measuring 10 µum on edge, has a capacitance of 100 fF, determine the separation distance (d) between the capacitor's plates, in um. 0.035µm The voltage across a 47-mF capacitor is found to be +10 V at an instant in time. Find the current flowing into the capacitor's positive terminal. OA A constant current of 440 µA charges a capacitor of value 2.2 mF, with an initial voltage of 1.25 V. Determine the capacitor's final voltage after 10 seconds. 3.25V If the voltage on a 15 mF capacitor changes from 3 V to 4 V, how much additional energy is stored on the capacitor? 52.5J The voltage across a 5-µF capacitor is shown in Fig. 1.1. Find the waveform for the current in the capacitor. How much energy is stored in the capacitor at t = 4 ms? w = 25µJ 1. 2. 3. 4. 5. 6. v(t) (V) 10 5- 7 t (ms) 1 3 6 8 10 -5-

Determine the charge stored on a 2.2 µF capacitor if the capacitor's voltage is 5 V. 11µC In some integrated circuits, the insulator or dielectric is silicon dioxide, which has a relative permittivity of 4. If a square capacitor measuring 10 µum on edge, has a capacitance of 100 fF, determine the separation distance (d) between the capacitor's plates, in um. 0.035µm The voltage across a 47-mF capacitor is found to be +10 V at an instant in time. Find the current flowing into the capacitor's positive terminal. OA A constant current of 440 µA charges a capacitor of value 2.2 mF, with an initial voltage of 1.25 V. Determine the capacitor's final voltage after 10 seconds. 3.25V If the voltage on a 15 mF capacitor changes from 3 V to 4 V, how much additional energy is stored on the capacitor? 52.5J The voltage across a 5-µF capacitor is shown in Fig. 1.1. Find the waveform for the current in the capacitor. How much energy is stored in the capacitor at t = 4 ms? w = 25µJ 1. 2. 3. 4. 5. 6. v(t) (V) 10 5- 7 t (ms) 1 3 6 8 10 -5-

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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* Determine the charge stored on a 2.2 µF capacitor if the capacitor’s voltage is 5 V. *In some integrated circuits, the insulator or dielectric is silicon dioxide, which has a relative permittivity of 4. If a square capacitor measuring 10 µm on edge, has a capacitance of 100 fF, what is the separation distance between the capacitor’s plates, in µm?
3. A ceramic capacitor has an effective plate area of 5cm2 separated by 0.1mm of ceramic of relative permittivity of 100. Calculate the capacitance in microfarads. If the capacitor is given a charge of 1.5 µC what will be the potential difference (pd) between plates? & calculate the energy stored in it
The distance between the plates of a capacitor, which consists of a square plate with a side length of 3 cm, is 2mm. The dielectric coefficient of the insulator is 2. If the maximum electric field that the air can withstand is 2.10 ⁶ V / m, find the maximum load the capacitor can carry.
Calculate the energy stored in a parallel-plate capacitor which consists of two metal plates, each 60cm2 separated by a dielectric 1.5mm thick and of relative permittivity 3.5 if a p.d. of 1000 v is applied across it.
1. Calculate the capacitance between two parallel plates, each of which is 100 sq. Inches and 2 mm apart in air. 2. A capacitor is charged with 0.23 J of energy at a voltage of 48V. What is its capacitance? 3. A 50-uF capacitor is initially charged. Determine the initial charge of the 50-uF capacitor if the charge transferred to a 100-uF capacitor, when connected in parallel, is 200-uC.
Given the capacitance of four capacitors Ca= 30 µF, Cb = 20 µF, Cc = 40 µF and Cd = 10 µF. If Cb and Cc are connected in parallel and the parallel combination is connected in series with Ca and the combination is further connected in parallel with Cd, calculate (a) the equivalent capacitance (b) the voltage across each capacitor if the circuit is supplied by 240 volts DC source (c) the charge on each capacitor.
A large capacitance of 1.58 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.19 µm of Teflon, which has a dielectric constant of 2.1. (b) What is the maximum voltage that can be applied if the dielectric strength for Teflon is 60 ✕ 106 V/m (c) Find the maximum charge that can be stored. (d) Calculate the volume of Teflon alone in the capacitor. (units: m^3)
A parallel plate capacitor has plates 20 mm apart, a plate area of 120 sq.cm. and a dielectric with relative permittivity of 2. Determine the capacitance if the capacitor has a charge of 0.06 μC. Express in nano-farad, five decimal places.
A ceramic capacitor has an effective plate area of 4 cm2 separated by 0.1 mm of ceramic of relative permittivity 100. Calculate the capacitance of the capacitor in picofarads. If the capacitor in part is given a charge of 1.2 µC what will be the p.d. between the plates?
A 100-pF capacitor is constructed of parallel plates of metal, each having a width W anda length L. The plates are separated by air with a distance d. Assume that L and W are bothmuch larger than d. What is the new capacitance ifa. both L and W are doubled and the other parameters are unchanged?b. the separation d is doubled and the other parameters are unchanged from their initialvalues? c. the air dielectric is replaced with oil having a relative dielectric constant of 25 and theother parameters are unchanged from their initial values ?
6 A capacitor is constructed with parallel metal plates, If the plate separation is 2 mm and the capacitance is given to 1 nano Farads, determine the area of the parallel plates of the device. Select one: a. 0.12 square meters b. 0.23 square meters c. 0.27 square meters d. 0.20 square meters
Two capacitors, of capacitance 3µF and 5µF, are connected as shown to batteries A and B which have EMF 4 V and 12 V respectively. What is the energy stored in each of the capacitors? Calculate also the stored energy in each capacitor when the terminals of battery A are reversed, and when the battery B is disconnected, and the points X and Y are connected together.