

MCQOPTIONS
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1. |
Four charges are placed on corners of a square as shown in figure having side of \[5\,cm\]. If Q is one microcoulomb, then electric field intensity at centre will be [RPET 1999] |
A. | \[1.02\times {{10}^{7}}N/C\] upwards |
B. | \[2.04\times {{10}^{7}}N/C\] downwards |
C. | 0.005 |
D. | \[1.02\times {{10}^{7}}N/C\] downwards |
Answer» B. \[2.04\times {{10}^{7}}N/C\] downwards | |