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When resonance takes place in series LCR A.C. circuit,

Answer»

current is minimum.
phase difference between current and voltage is `90^@`
phase difference between current and voltage is `0^@`
phase difference between current and voltage is `0^@`

Solution :We have : `TAN delta =(X_L -X_C)/R`
`therefore tan delta =0` (`because` At RESONANCE , `X_L=X_C`)
`therefore delta=0`


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