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1. |
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» C. loge(x₁/x₂) | |