A smiling face as shown in figure consists of a ring of

Last updated: 6/25/2023

A smiling face as shown in figure consists of a ring of radius 6 cm with charge 3 C a second thin wire of charge 4 C and in shape of a circular arc of radius 4 cm subtending an angle of 90 at the center of full circle and small electric dipole of dipole moment 6 x 10 21 Cm is placed as eyes 2 cm from central point Then net electric potential at the center is 1 4 5 104 V 2 9 105 V 3 9 104 V 4 4 5 105 V I 6 cm 4 cm