Answer / s.sundar rajan.

Yes, there is diff. Ground fault means it is a dead short
of the line into the ground terminals and whereas the earth
leakage means it is not short, it is due to leakage b/w
connectors or line to neutral or poor insulation of the
conductor which has leakage current will flow to earth.

Short circuit voltage of a transformer mainly depend on A ohmic resistance of primary B ohmic resistance of secondary C magnitude of leakage flux D cross sectional area of core

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ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

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Merz-Price circulating current principles is more suitable for

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Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

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