Grade 9AlgebraMay be it`s a easy question but it`s not striking me now so help.Thankyou yogesh 8 Years agoGrade 9
Khimraj8 Years agoPotential at centre of curvature will due to total charge on curvatureSo V = (1/4πϵo)(3Q)/R + (1/4πϵo)(-2Q)/R + (1/4πϵo)(Q)/R = (1/2πϵo)(Q)/R.So option A is correct.