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1. |
The discharge of a capacitor through a ballistic galvanometer produces a damped frequency of 0.125 Hz and successive swings of 120, 96 and 76.8 mm. The damping ratio is? |
A. | 0.0568 |
B. | 0.0887 |
C. | 0.0357 |
D. | 0.0441 |
Answer» D. 0.0441 | |