1.

The electric intensity due to a dipole of length 10 cm and having a charge of \[500\mu C\], at a point on the axis at a distance 20 cm from one of the charges in air, is [CBSE PMT 2001]

A.            \[6.25\times {{10}^{7}}\] N/C
B.                                      \[9.28\times {{10}^{7}}\] N/C
C.            \[13.1\times {{11}^{11}}\] N/C
D.                                      \[20.5\times {{10}^{7}}\] N/C
Answer» B.                                      \[9.28\times {{10}^{7}}\] N/C


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