Core - Physics

Chapter 31

Inductance

31.1 : Mutual Inductance

31.1 : Mutual Inductance

Inductance is the property of a device that tells us how effectively it induces an emf in another device. In other words, it is a physical quantity that ...

31.2 : Self-Inductance

31.2 : Self-Inductance

Mutual inductance arises when a current in one circuit produces a changing magnetic field that induces an emf in another circuit. On the other hand, ...

31.3 : Calculation of Self-inductance

31.3 : Calculation of Self-inductance

The self-inductance of a circuit, often simply called the inductance, is a purely geometric factor that depends only on the circuit component's ...

31.4 : Inductors

31.4 : Inductors

An inductor, also known as a choke, is a circuit component created to have a specific inductance. Inductors are among the crucial circuit components used ...

31.5 : Energy In A Magnetic Field

31.5 : Energy In A Magnetic Field

If a magnetic field is sustained, there must be a current in a closed circuit or loop, implying some energy has been spent in creating the field. If this ...

31.6 : Energy Stored In A Coaxial Cable

31.6 : Energy Stored In A Coaxial Cable

A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that ...

31.7 : RL Circuits

31.7 : RL Circuits

An RL circuit consists of a resistor and an inductor and may have a source of emf connected to it. The inductor in the circuit helps to prevent rapid ...

31.8 : Current Growth And Decay In RL Circuits

31.8 : Current Growth And Decay In RL Circuits

The current growth and decay in RL circuits can be understood by considering a series RL circuit consisting of a resistor, an inductor, a constant source ...

31.9 : Comparison between RL and RC circuits

31.9 : Comparison between RL and RC circuits

An RC circuit consists of resistance and capacitance, while in an RL circuit, capacitance is replaced by an inductor. RL and RC circuits are first-order ...

31.10 : LC Circuits

31.10 : LC Circuits

An LC circuit consists of an inductor and a capacitor, either in series or parallel. Consider a charged capacitor connected with an inductor in series. ...

31.11 : Oscillations In An LC Circuit

31.11 : Oscillations In An LC Circuit

An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and ...

31.12 : RLC Series Circuits

31.12 : RLC Series Circuits

An RLC series circuit comprises an inductor, a resistor, and a charged capacitor connected in series. When the circuit is closed, the capacitor begins to ...

31.13 : RLC Circuit as a Damped Oscillator

31.13 : RLC Circuit as a Damped Oscillator

An RLC circuit combines a resistor, inductor, and capacitor, connected in a series or parallel combination. Consider a series RLC circuit. Here, the ...

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