Ballast
Meaning of Ballast in Urdu:
1 . [Noun] وزنی چیز جو جہاز کا توازن قائم رکھنے کے لیے استعمال ہو
Definition of Ballast in English:
noun
1.
Nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability.
2.
Aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of altitude and, less often, of attitude, or placed in an aircraft to control the position of the center of gravity.
3.
anything that gives mental, moral, or political stability or steadiness: the ballast of a steady income.
4.
gravel, broken stone, slag, etc., placed between and under the ties of a railroad to give stability, provide drainage, and distribute loads.
5.
Electricity.
Also called ballast resistor. a device, often a resistor, that maintains the current in a circuit at a constant value by varying its resistance in order to counteract changes in voltage.
a device that maintains the current through a fluorescent or mercury lamp at the desired constant value, sometimes also providing the necessary starting voltage and current.
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1 . [Noun] وزنی چیز جو جہاز کا توازن قائم رکھنے کے لیے استعمال ہو
1. Nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability. 2. Aeronautics. something heavy, as bags of sand, placed in the car of a balloon for control of altitude and, less often, of attitude, or placed in an aircraft to control the position of the center of gravity. 3. anything that gives mental, moral, or political stability or steadiness: the ballast of a steady income. 4. gravel, broken stone, slag, etc., placed between and under the ties of a railroad to give stability, provide drainage, and distribute loads. 5. Electricity. Also called ballast resistor. a device, often a resistor, that maintains the current in a circuit at a constant value by varying its resistance in order to counteract changes in voltage. a device that maintains the current through a fluorescent or mercury lamp at the desired constant value, sometimes also providing the necessary starting voltage and current.

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