Theory Of Machine
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)