1.

Two charges \[+5\mu C\] and \[+10\mu C\] are placed 20 cm apart. The net electric field at the mid-Point between the two charges is     [KCET (Med.) 2000]

A. \[4.5\times {{10}^{6}}\] N/C directed towards \[+5\mu C\]
B. \[4.5\times {{10}^{6}}\] N/C directed towards \[+10\mu C\]
C. Surface charge density on the \[15\,cm\] sphere will be greater than that on the \[20\,cm\] sphere
D. \[13.5\times {{10}^{6}}\] N/C directed towards \[+10\mu C\]
Answer» B. \[4.5\times {{10}^{6}}\] N/C directed towards \[+10\mu C\]


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