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Q. |
In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to |
A. | x1/x2 |
B. | log (x1/x2) |
C. | loge (x1/x2) |
D. | log (x1.x2) |
Answer» B. log (x1/x2) |
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