Capítulo 31
Indutância
Indutância mútua
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 ...
Auto-indutância
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, ...
Cálculo da Autoindutância
The self-inductance of a circuit, often simply called the inductance, is a purely geometric factor that depends only on the circuit component's ...
Indutores
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 ...
Energia em um Campo Magnético
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 ...
Energia Armazenada em um Cabo Coaxial
A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that ...
Circuitos RL
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 ...
Aumento e Decaimento da Corrente em Circuitos RL
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 ...
Comparação entre Circuitos RL e RC
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 ...
Circuitos LC
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. ...
Oscilações em um Circuito LC
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 ...
Circuitos RLC em Série
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 ...
Circuito RLC como um Oscilador Amortecido
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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