The load shown in Fig. $1($c$)$ comprises a parallel combination of a resistor RL and a capacitor CL$.$ Calculate the amplitude and phase of the voltage at node $2$ when: $$

$$

VS $=$ sin $(4$ x $105$t$)$ V$,$ RS $=(1000+$ $),$ LS $=(1000+$$)$ nH$,$ RL $=10$ k$,$

CL $=(1000+$ $)$ pF$.$ Figure $1($c$)$