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7th Edition

Douglas A. Skoog + 2 others

Publisher: Cengage Learning

ISBN: 9781305577213

Chapter 2, Problem 2.17QAP

Interpretation Introduction

**(a)**

**Interpretation:**

Time constant for the circuit 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.

Interpretation Introduction

**(b)**

**Interpretation:**

The current, voltage drops across the capacitor and the resistor during a charging cycle at given times 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.

Ohm’s law:

Ohm’s law describes the relationship among voltage, resistance, and current in a resistive series circuit.

V = IR

Connection between initial current and current across the capacitor (i) at given time during the charging is given by

The value of the voltage across the capacitor (V_{c}) at given time during the charging period can be given like this

V_{c} = Voltage across the capacitor

V_{s}= Supply voltage

t = time

RC = time constant for RC circuit

Interpretation Introduction

**(c)**

**Interpretation:**

The current and voltage drops across the capacitor and the resistor during a discharging cycle at time 10 ms 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.

Ohm’s law:

Ohm’s law describes the relationship among voltage, resistance, and current in a resistive series circuit.

V = IR

The value of the voltage across the capacitor (V_{c}) at given time during the charging period can be given like this;

V_{c} = Voltage across the capacitor

V_{s}= Supply voltage

t = time

RC = time constant for RC circuit

Connection between initial current and current across the capacitor (i) at given time during the discharging is given by;