**1. Obtain an expression for resonant frequency f**

_{o}of a L.C.R series resonance circuit.**2. Obtain the relation i=i**

_{o}sin(wt -**B**

**/2) for a pure inductor connected across A.C voltage**

**E= E**

_{o}Sinwt.**3. Obtain the relation i=i**

_{o}sin(wt +**B**

**/2) for a pure capacitor connected across A.C voltage**

**E= E**

_{o}Sinwt.**4. Show that average power consumed in A. C ciruit is**

**P= E**

_{ rms}x I_{rms}x cos**M**

**5. A Sinusoidal voltage V = 200 sin 314t is applied to a 10ohm resistor.**

**Find a) frequency of the supply (50Hz)**

**b) Pear voltage (200 V)**

**c) rms voltage ( 141.4 V)**

**d) rms current ( 14.14 A)**

**e) power dissipated ( 2000 W)**