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| 1. |
Reostat kya kam krta he akhir |
| Answer» A Rheostat is an electrical component that has an adjustable resistance, it is used to increase or decrease the flow of current in a circuit.Working: Current flows into the coil resistance wire and from the resistance wire through the slider.when the slider is moved along the coil . the amount of resistance is thus changed by varying the length of the current\'s path(i.e length of resistance wire) through the resistance coil. | |