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1. |
Two charges \[+3.2\times {{10}^{-19}}C\] and \[-3.2\times {{10}^{-9}}C\] kept 2.4 Å apart forms a dipole. If it is kept in uniform electric field of intensity \[4\times {{10}^{5}}volt/m\] then what will be its electrical energy in equilibrium [MP PMT 2003] |
A. | \[+3\times {{10}^{-23}}J\] |
B. | \[-3\times {{10}^{-23}}J\] |
C. | \[1.44\times {{10}^{11}}\,newton/coulomb\] |
D. | \[-2\times {{10}^{-23}}J\] |
Answer» C. \[1.44\times {{10}^{11}}\,newton/coulomb\] | |