# (a) Interpretation: The time it would take to discharge a 0.025 µF capacitor to 1% of its full charge through a resistance of 10 Mχ should be calculated. Concept introduction: The product of RC is referred to as time constant for the circuitand is a measure of the time required for a capacitor to chargeor discharge. Capacitor is discharged to 1% of its full charge. Therefore, the value of charge at time ‘t’ can be related to the initial charge by following equation. θ t = 1 100 × θ 0 θ t = charge after discharge of the capacitor θ 0 = initial charge of the capacitor Time taken for the discharge of the capacitor can be calculated using following relationship; θ t = θ 0 e − t / R C ### Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213 ### Principles of Instrumental Analysis

7th Edition
Douglas A. Skoog + 2 others
Publisher: Cengage Learning
ISBN: 9781305577213

#### Solutions

Chapter 2, Problem 2.14QAP
Interpretation Introduction

## (a)Interpretation:The time it would take to discharge a 0.025 µF capacitor to 1% of its full charge through a resistance of 10 Mχ should be calculated.Concept introduction:The product of RC is referred to as time constant for the circuitand is a measure of the time required for a capacitor to chargeor discharge.Capacitor is discharged to 1% of its full charge. Therefore, the value of charge at time ‘t’ can be related to the initial charge by following equation.θt=1100×θ0θt = charge after discharge of the capacitorθ0 = initial charge of the capacitorTime taken for the discharge of the capacitor can be calculated using following relationship;θt=θ0 e−t/RC

Interpretation Introduction

### (b)Interpretation:The time it would take to discharge a 0.025 µF capacitor to 1% of its full charge through a resistance of 1 Mχ should be calculated.Concept introduction:The product of RC is referred to as time constant for the circuit and is a measure of the time required for a capacitor to charge or discharge.Capacitor is discharged to 1% of its full charge. Therefore, the value of charge at time ‘t’ can be related to the initial charge by following equation.θt=1100×θ0θt = charge after discharge of the capacitorθ0 = initial charge of the capacitorTime taken for the discharge of the capacitor can be calculated using following relationship;θt=θ0 e−t/RC

Interpretation Introduction

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