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1. |
A hollow metallic sphere of radius r is kept at potential of 1 Volt. The total electric flux coming out of the concentric spherical surface of radius R (> r) is |
A. | 4πε0r |
B. | 4πε0r2 |
C. | 4πε0R |
D. | 4πε0R2 |
Answer» B. 4πε0r2 | |