The coil of a moving-coil galvanometer keeps on oscillating for a long time if it is deflected and released. If the ends of the coil are connected together, the oscillation stops at once. Explain.
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because its energy stored in spring and then restoring energy oscillate it
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There is inductance around the edges and the coil does't act as an inducer. Therefore all oscillations should cease at once.
Explanation:
- When the coil ends are not paired, the coil behaves as an inducer in which oscillations continue till the current gradually decays.
- The coil produces a close loop if these ends are aligned; hence there is inductance around the edges and the coil does't act as an inducer. Therefore all oscillations should cease at once.
Oscillation:- Oscillation is the repeated variation of certain measure about such a central value, or among two or several different states, usually in time.
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