Electromagnetism: Intermediate Flashcards by Balasubramaniam Manickavelu | Brainscape

Q

Equivalent capacitance for capacitors in series and in parallel

A

Capacitors directly sum in parallel

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Q

Energy stored in a capacitor

A

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Q

Dielectric constant

A

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Q

Ohm’s Law

A

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Q

Definition of resistance

A

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Q

Power dissipated by a resistor

A

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Q

Resistors in series and parallel

A

Series: add

Parallel: add inverses

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Q

Voltage across a resistor

A

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Q

RC Time Constant

A

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Q

Meissner Effect

A

As a superconductors transitions to its superconducting state, it expels magnetic field. That is, the magnetic field lines bend around it, drastically reducing flux.

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Q

Inductor differential equation

A

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Q

Energy stored in an inductor

A

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Q

Magnetic field energy density in vacuum

A

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Q

Time constant for R-L circuits

A

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Q

For inductors and capacitors, does inductance lead or lag voltage?

A

Inductor: voltage leads current

Capacitor: voltage lags current

“ELI the ICE man”

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Q

Power through an arbitrary circuit element

A

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Q

Conditions for circuit resonance in an RLC circuit

A

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Q

Speed of light in vacuum (variable expression)

A

Q

Relationship between the electric field and the magnetic field at a given time and location in an electromagnetic wave

A

The two fields are in phase, differ in magnitude by a constant multiple of c, and are orthogonal, with the direction of propogation given by the Poynting vector.

Q

Poynting Vector

A

Q

Poisson’s equation

A

Q

Plane charge field and line charge field

A

Q

Electrostatic boundary conditions

A

Q

In what direction does the electric field point just outside a conductor?

A

Perpendicular to the surface of the conductor.

Q

Expression for electrical energy not using the field

A

Q

Magnetostatic boundary conditions

A

Q

Cyclotron radius and frequency

A

Q

Electric and magnetic dipole radiation

A

Q

Magnetic field of a straight wire

A

Q

Magnetic field of a plate

A

Q

Magnetic field of a solenoid

A

Q

Magnetic field of a toroid

A

Q

Faraday’s law (circuit form)

A

Q

Mutual inductance

A

Q

Definition of (self) inductance

A

Q

(Self) inductance of a solenoid

A

Q

Radiation of an accelerating point charge (Larmor formula)

A

Q

Definition of intensity of electromagnetic radiation

A

Q

Bound charges

A

Q

Bound current

A

Q

Definitions of auxiliary fields

A

Q

Form of auxiliary fields in linear media

A

Q

Magnetic relative permeability and susceptibility

A

Q

Electrical permittivity

A