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Sia ? 6 years, 2 months ago
Ampere's circuital law: It states that the line integral of magnetic field B along any closed loop is equal to µ0 times the total current passing through the loop.
i.e. {tex}\oint \mathbf { B } \cdot d \mathbf { l } = \boldsymbol { \mu } _ { 0 } I{/tex}
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Yogita Ingle 6 years, 2 months ago
A corona discharge: Corona discharge is a phenomenon of charge transfer by ionization of a fluid (may also include gases) surrounding a charged conductor, it is seen as a blue light between two sharp point electrodes kept at high potential difference. When a conductor having high charge density is placed in a fluid (or air) the medium becomes conducting because of the high electric intensity and leads to ionization of the atoms.
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Sia ? 6 years, 2 months ago
The process of meeting of negative and positive charges to release huge amount of energy is called electric discharge.
Yogita Ingle 6 years, 2 months ago
Electric discharge is defined as the process of the release and transfer of electricity in an applied electric field through any possible medium. Usually, electric discharge is made to occur through a gas or the atmospheric air.
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P.E. of dipole = -MB cos0o = -MB
Work done = MB(cos 0o - cos 180o) = M B (1 + 1 ) = 2 MB
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Sia ? 6 years, 2 months ago
For hydrogen electrode:
{tex}{H^ + } + {e^ - } \to \frac{1}{2}{H_2}{/tex}
Applying Nernst equation:
{tex}E = {E^{0}} - \frac{{0.0591}}{n}\log \frac{1}{{\left[ {{H^ + }} \right]}}{/tex}
{tex} = 0 - \frac{{0.0591}}{1}\log \frac{1}{{{{10}^{ - 10}}}}{/tex} [pH = 10 means {tex}\left[ {{H^ + }} \right]{/tex}
{tex} = {10^{ - 10}}M{/tex}
{tex} = - 0.0591 \times 10 = - 0.591V{/tex}
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