When subjected to alternating stresses, an insulating material is char – McqOptions

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1.	When subjected to alternating stresses, an insulating material is characterised by complex dielectric constant ‚àà'r - j‚àà"r . In such materials, the dielectric losses under alternating stress is proportional
A.	‚àà'r
B.	(‚àà"r)2
Answer» B. (‚àà"r)2

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