Answer / jakeer

To construct the core with equal dimensioned lamination plates.the effect of unbalance core will causes flux variations due to this out put voltage will be fluctuated
and transformer losses (iron & copper) will be produce.

Q. calculate the value of the resistor to be connected in series with a 100W; 230V lamp so that the wattage of the lamp is reduced to 35W

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what happens to the speed of a DC series motor when series field winding is removed?

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what is inductance function?

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time constant of RC series circuit?

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