NCERT Solutions for CBSE Class 12 Physics ‒ Chapter 1: Electric Charges and Fields
Question1.1: What is the force between two small charged spheres having charges of 2 × 10–7 C & 3 × 10–7 C placed 30 cm apart in air? Solution1.1: Given: Q1= 2 × 10-7 C Q2 = 3 × 10-7 C r = 30 × 10-2 m We know, F = (Q1 Q2)/(4 π εo r2 ) Substituting the given values, we get F = 6 × … Read more
