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# A series LCR circuit is connected to a source of alternating emf 50 V and if the potential differences across inductor and capacitor are 90 V and 60 V respectively, the potential difference across resistor is :

$\begin {array} {1 1} (1)\;400\: V & \quad (2)\;40\: V \\ (3)\;80\: V & \quad (4)\;1600\: V \end {array}$

(2) 40 V