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    About 16 results
    • https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_I_-_Classical_Mechanics_(Gea-Banacloche)/12%3A_Waves_in_One_Dimension/12.01%3A_Traveling_Waves
      If we think of the momentum of a volume element in the medium as being proportional to the product of the instantaneous density and velocity, we see that for this wave, which is traveling in the posit...If we think of the momentum of a volume element in the medium as being proportional to the product of the instantaneous density and velocity, we see that for this wave, which is traveling in the positive x direction, there is more “positive momentum” than “negative momentum” in the medium at any given time (of course, if the wave had been traveling in the opposite direction, the sign of vmed in Equation (???) would have been negative, and we would have found the opposite re…
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electricity_and_Magnetism_(Tatum)/13%3A_Alternating_Current/13.03%3A_Complex_Numbers
      I am now going to repeat the analyses of Sections 13.1 and 13.2 using the notation of complex numbers. In the context of alternating current theory, the imaginary unit is customarily given the symbol ...I am now going to repeat the analyses of Sections 13.1 and 13.2 using the notation of complex numbers. In the context of alternating current theory, the imaginary unit is customarily given the symbol jj rather than ii , so that the symbol ii is available, if need be, for electric currents.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/10%3A_Antennas_and_Radiation/10.03%3A_Antenna_gain_effective_area_and_circuit_properties
      This page covers the fundamentals of antenna directivity, gain, and impedance, focusing on short dipole antennas. It defines key relationships between gain, radiation resistance, and the effective are...This page covers the fundamentals of antenna directivity, gain, and impedance, focusing on short dipole antennas. It defines key relationships between gain, radiation resistance, and the effective area, employing Thevenin equivalents to analyze antenna circuits. The reciprocity principle is emphasized, detailing how transmitted power impacts received power across distances.
    • https://phys.libretexts.org/Courses/Kettering_University/Electricity_and_Magnetism_with_Applications_to_Amateur_Radio_and_Wireless_Technology/10%3A_Inductance/10.10%3A_Application_-_RLC_Series_Circuits_with_AC
      An RLC series circuit is a series combination of a resistor, capacitor, and inductor connected across an ac source.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electricity_and_Magnetism_(Tatum)/13%3A_Alternating_Current/13.04%3A_Resistance_and_Inductance_in_Series
      The impedance is just the sum of the resistance of the resistor and the impedance of the inductor.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electricity_and_Magnetism_(Tatum)/14%3A_Laplace_Transforms/14.10%3A_Generalized_Impedance
      If we suppose that the applied voltage V is varying sinusoidally (that is, V=ˆVejωt, or, if you prefer, V=ˆVsinωt), then the operator d2/dt2, or "double do...If we suppose that the applied voltage V is varying sinusoidally (that is, V=ˆVejωt, or, if you prefer, V=ˆVsinωt), then the operator d2/dt2, or "double dot", is equivalent to multiplying by ω2, and the operator d/dt, or "dot", is equivalent to multiplying by jω. This is so regardless of the form of the variation of V: it could be sinusoidal, it could be constant, or it could be something quite different.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/08%3A_Fast_electronics_and_transient_behavior_on_TEM_lines/8.03%3A_Distortions_due_to_loss_and_dispersion
      This page discusses the challenges posed by lossy transmission lines in electronics due to resistance and leakage, affecting signal integrity, particularly in integrated circuits. Key concepts include...This page discusses the challenges posed by lossy transmission lines in electronics due to resistance and leakage, affecting signal integrity, particularly in integrated circuits. Key concepts include the telegraphers' equations, frequency-dependent propagation, and the balance of R/L and G/C.
    • https://phys.libretexts.org/Courses/Merrimack_College/Conservation_Laws_Newton's_Laws_and_Kinematics_version_2.0/24%3A_Waves_in_One_Dimension/24.01%3A_Traveling_Waves
      If we think of the momentum of a volume element in the medium as being proportional to the product of the instantaneous density and velocity, we see that for this wave, which is traveling in the posit...If we think of the momentum of a volume element in the medium as being proportional to the product of the instantaneous density and velocity, we see that for this wave, which is traveling in the positive x direction, there is more “positive momentum” than “negative momentum” in the medium at any given time (of course, if the wave had been traveling in the opposite direction, the sign of vmed in Equation (???) would have been negative, and we would have found the opposite re…
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/07%3A_TEM_transmission_lines/7.01%3A_TEM_waves_on_structures
      This page explores the behavior and properties of transverse electromagnetic (TEM) transmission lines, focusing on their characteristic impedance, coupling of electric and magnetic fields, and wave pr...This page explores the behavior and properties of transverse electromagnetic (TEM) transmission lines, focusing on their characteristic impedance, coupling of electric and magnetic fields, and wave propagation. It discusses equations for voltage and current derived from inductance and capacitance, emphasizing lossless conditions and the effects of geometry on performance.
    • https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/University_Physics_II_-_Thermodynamics_Electricity_and_Magnetism_(OpenStax)/15%3A_Alternating-Current_Circuits/15.04%3A_RLC_Series_Circuits_with_AC
      An RLC series circuit is a series combination of a resistor, capacitor, and inductor connected across an ac source.
    • https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/20%3A_Circuits_and_Direct_Currents/20.5%3A_RC_Circuits
      An RC circuit has a resistor and a capacitor and when connected to a DC voltage source, and the capacitor is charged exponentially in time.

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