In a certain series LCR A.C. circuit it is found that XL = 2XC and phase difference between the current and voltage is π/4. If now capacitance is made 1/4th & the inductance and resistance are doubled then which are not correct.
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a
voltage will lead current by a phase of tan-1(1/2).
b
voltage will lag behind current by a phase of tan-1(1/2).
c
voltage will lag behind current by a phase of π /4