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Physics

Comparison Between Magnetic and Electric Circuits
Electric Currents & Ohms Law / Electrical / Fundamental / Magnetism / Physics

Comparison Between Magnetic and Electric Circuits

February 18, 2021April 2, 2023 - by Team_Engineers

Comparison Between Magnetic and Electric Circuits 1 Magnetic Circuit Electric Circuit M.M.F. (ampere-turns) E.M.F. (volts) Flux Φ (webers) Current I (amperes) Flux density B (Wb/m2) Current density (A/m2) Reluctance S  …

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Magnetic Circuit
Electrical / Magnetism / Materials / Physics

Magnetic Circuit

February 18, 2021April 2, 2023 - by Team_Engineers

Magnetic Circuit It may be defined as the route or path which is followed by magnetic flux. The law of magnetic circuit are quite similar to (but not the same …

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Force Between Two Parallel Conductors
Electrical / Magnetism / Physics

Force Between Two Parallel Conductors

February 16, 2021April 2, 2023 - by Team_Engineers

Force Between Two Parallel Conductors Case (i) Currents in the same direction. In the figure given below are shown two parallel conductors P and Q carrying currents I1 and I2 …

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Absolute Relative Permeability
Electrical / Fundamental / Magnetism / Physics

Absolute Permeability and Relative Permeability

February 3, 2021April 2, 2023 - by Team_Engineers

Absolute Permeability and Relative Permeability In Figure given below it is shown a bar of a magnetic material, say, iron placed in a uniform field of strength H N/Wb. Suppose, …

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Laws of magnetic forces
DC Networks / Electrical / Fundamental / Laws / Magnetism / Physics

Magnetic Field Strength

January 31, 2021April 2, 2023 - by Team_Engineers

Magnetic Field Strength Magnetic field strength at any point within a magnetic field is numerically equally to the force experienced by a N-pole of one weber placed at that point. …

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Laws of magnetic forces
Electrical / Fundamental / Magnetism / Physics

Laws of Magnetic Force

January 31, 2021April 2, 2023 - by Team_Engineers

Laws of Magnetic Forces Coulomb was the first to determine experimentally the quantitative expression for the magnetic force between two isolated point poles. It may be noted here that, in …

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Transient Relations During Capacitor Charging Cycle
Capacitance / Electrical / Fundamental / Physics

Transient Relations During Capacitor Charging Cycle

January 31, 2021April 2, 2023 - by Team_Engineers

Transient Relations During Capacitor Charging Cycle Whenever a circuit goes from one steady-state condition to another steady-state condition, it passes through a transient state which is of short duration. The …

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discharging of capacitor
Capacitance / Electrical / Fundamental / Physics

Discharging of a Capacitor

January 31, 2021April 2, 2023 - by Team_Engineers

Discharging of a Capacitor As shown in Figure given below, when S is shifted to b, C is discharged through R. It will be seen that the discharging current flows …

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Time Constant in RL RC Circuit
Capacitance / Electrical / Fundamental / Physics

What is Time Constant

January 31, 2021April 2, 2023 - by Team_Engineers

Time Constant in RL RC Circuit Just at the start of charging, potential difference across capacitor is zero, hence from (ii) putting vc = 0, we get ∴ initial rate …

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capacitor charging
Capacitance / Electrical / Fundamental / Physics

Charging of a Capacitor

January 30, 2021April 2, 2023 - by Team_Engineers

Charging of a Capacitor In the figure given below is shown an arrangement by which a capacitor C may be charged through a high resistance R from a battery of …

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