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Relation Between Magnetism and Electricity It is well known that whenever an electric current flows through a conductor, a magnetic field is immediately brought into existence in the space surrounding …
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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 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 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 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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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. …
Magnetic Field Strength Read More 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 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 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 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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