In a given AC series circuit containing elements R, L and C & source voltage = 220v, it is known that if L alone is removed or if C alone is removed, phase difference between current & voltage remains 45°. Find i_{RMS} ? (R = 110 $\Omega$)

(1) 2A

(2) 2.5A

(3) 1A

(4) 1.5A