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Core type Transformers:
In this type of transformer the windings enclose the core (fig. given below). Both the windings are divided and half of every winding is placed on each limb to make the leakage flux as small as possible. Since insulation of low voltage winding is simple so low voltage winding is placed next to core and then high voltage winding is placed around the low voltage coils. In such an arrangement only single layer of high voltage insulation is required and removal or repair of the high voltage winding, which is more liable to faults than the low voltage winding, is simple and convenient.
Determine the potential and field due to a short dipole of dipole moment 5.0 X 10 -16 coulomb-cm at a point distant 1 cm from it. (a) on its axis (b) on its perpendicular bi
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CELL CAPACITY The amount of electrical energy that a cell can provide from new to the end of its useful voltage on load is called the cell capacity and is quoted in Ampere hour
formulas about force in detail
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(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
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