Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10-2 C and 5 x 10-2 C respectively. If these are connected by a conducting wire, the final charge on the bigger sphere is (AIIPMT 2012)
A. 3 x 10-2 C
B. 4 x 10-2 C
C. 1 x 10-2 C
D. 2 x 10-2 C
Answer:A
Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10-2 C and 5 x 10-2 C respectively. If these are connected by a conducting wire, the final charge on the bigger sphere is (AIIPMT 2012)
A. 3 x 10-2 C B. 4 x 10-2 C C. 1 x 10-2 C D. 2 x 10-2 C