1.

In under damped vibrating system, if x‚ÇÅ and x‚ÇÇ are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to$

A. x‚ÇÅ/x‚ÇÇ
B. log(x‚ÇÅ/x‚ÇÇ)
C. loge(x‚ÇÅ/x‚ÇÇ)
D. log(x‚ÇÅ.x‚ÇÇ)
Answer» C. loge(x‚Äö√á√Ö/x‚Äö√á√á)


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