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For power factor improvement so that the KVA demand is reduced.

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12y ago
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12y ago

Capacitors are used in most fluorescent lamp circuits, regardless of how many tubes are used.

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Q: Why capacitor is used in tube light circuit?
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Related questions

Why condenser used in tube light?

A tube light uses a condenser which is the old term for a capacitor. It functions as a small battery in a circuit.


Where is the position of capacitance of tube light?

The small cylindrical thing that You see (generally on a side of the choke coil) is the "starter " of the tube light. This is the capacitor used in tube light. And is used to provide a momentary voltage rise of nearly 400V to start up the tube light hence Starter.


Why is the capacitor used in tube light?

Starters in tube light uses capacitors to produce a momentary high voltage of 400V due to discharging of capacitor. This momentary high voltage will start the gaseous discharge to priduce light by initial flickering . now,if capacitor is not used , the power supply from the main cannot start the gaseous discharge .


Why the oil filled capacitor is used in permanent split capacitor motor?

An oil filled capacitor is used in (PSC) motor because the capacitor is in the circuit the whole time the machine is running. The capacitor is oil filled to cool it due to being in circuit the whole time


Why capacitor is used in between the bias circuit?

Capacitor is used in biasing circuits to block the passage of DC signals.


What is need of capacitor and resistor in circuit?

because without using capacitor or resistor in a circuit,it cant be complete.Resistor is used to protect the circuit by giving a certain amount of voltage.Capacitor is used to charge and discharge purpose.


What does polyester capacitor do in a circuit?

same as any other capacitor. however they are usually used where higher voltages are.


Why capacitor is used in the dc electrical circuit?

Phase difference.


Why capacitor is not used in ac circuit?

On the contrary, capacitors ARE used in a.c. circuits.


Why capacitor used in rectifier circuit?

To smooth the output of the pulsating DC.


What types of capacitors are used in fluorescent tube starters?

electrostatic capacitor


Why is a capacitor used in simple thermocouple circuit?

For maintaining Power factor 1