The relationship between Young’s modulus (Y), Bulk modulus (K) and Poisson’s ratio (μ) is _____________(a) Y=K(1-2μ)(b) Y=3K(1-2μ)(c) Y=5K(1-2μ)(d) Y=4K(1-8μ)This question was addressed to me in examination.My enquiry is from Motors Rating and Heating topic in division Rating and Heating of Motors of Electric Drives

The relationship between Young’s modulus (Y), Bulk modulus (K) and P

1.	The relationship between Young’s modulus (Y), Bulk modulus (K) and Poisson’s ratio (μ) is _____________(a) Y=K(1-2μ)(b) Y=3K(1-2μ)(c) Y=5K(1-2μ)(d) Y=4K(1-8μ)This question was addressed to me in examination.My enquiry is from Motors Rating and Heating topic in division Rating and Heating of Motors of Electric Drives
Answer» Right choice is (b) Y=3K(1-2μ) To elaborate: The relationship between Young’s modulus (Y), Bulk modulus (K) and POISSON’s ratio (μ) is Y=3K(1-2μ). The Young modulus of ELASTICITY is defined as the ratio of Longitudinal stress and Longitudinal STRAIN.

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