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Home » Basic/Important Electrical Formulas » How To Find/Calculate the Number of Fluorescent Lamps in a Sub Circuit?

How To Find/Calculate the Number of Fluorescent Lamps in a Sub Circuit?

The number of installed incandescent lamps is not equal the the number of fluorescent lamps of same power because of the role of chowk in the fluorescent lamp circuit. chowk  works as a controller in this kind of circuit.
     Suppose we want to instal fluorescent lamps instead of incandescent lamps and the rating of the sub circuit is 5 Amp and the supply Voltage is 220 Volts.
Then the number of 75 Watts fluorescent lamp will be find by this formula.

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How To Find/Calculate the Number of Fluorescent Lamps in a Sub Circuit?
How To Determine the Number of Fluorescent Lamps in a Sub circuit?

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6 comments

  1. When we want to connect both Lamp & Fluorescent Lamps in final sub circuit what will be the formula?

  2. There will be 14 lamps of 75W.<br /><br />I=P/V=(14*75)/220=4.77 A, as the choke only ignite the tube.

  3. why we multiply 2 with power of lamps in upper formula?

  4. Kitchen elctronic appliances check by multimeter and many part how defect parts how check maximum defected part

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