A charge of 2c is placed on the x-axis at 1m from the origin along -ve x-axis. Infinite number of charges each of magnitude 2c are placed on x-axis at 1m,2m,4m,...... From origin along +ve x-axis. The first charge is positive and alternate charges are opposite in nature. The ಸ್ಕೆಚ್ field intensity at the origin
