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Statically Induced E.M.F. Statically Induced E.M.F. can be further sub-divided into Mutually induced e.m.f. and Self-induced e.m.f. (a) Mutually-induced e.m.f. Consider two coils A and B lying close to each …
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Production of Induced E.M.F. and Current In the figure given below it is shown an insulated coil whose terminals are connected to a sensitive galvanometer G. It is placed close …
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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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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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