What is the force between two small charged spheres having charges of 2×10−7 C and 3×10−7 C placed 30 cm apart in air?
Answer & explanation
Correct answer: option 4
F = kq1q2/r2
q1 = 2×10−7 C ; q2 = 3×10−7 C ; r = 0.3 m
F = 6×10−3 N
What is the force between two small charged spheres having charges of 2×10−7 C and 3×10−7 C placed 30 cm apart in air?
Correct answer: option 4
F = kq1q2/r2
q1 = 2×10−7 C ; q2 = 3×10−7 C ; r = 0.3 m
F = 6×10−3 N