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Q. The potential difference between the ends of a resistance R is $V_R$, between the ends of capacitor is $V_C = 2V_R$ and between the ends of inductance is $V_L = 3V_R$ then the alternating potential0 of the source in terms of $V_R$ will be

Alternating Current

Solution:

$V_s =V_B +V_c +V_L =V_R i-V_R j +3 V_r j$
$V_R i+V_R j$ $=\sqrt{2}V_R$