1.

Find the electric field intensity of two charges 2C and -1C separated by a distance 1m in air.

A. 18 X 10<sup>9</sup>
B. 9 X 10<sup>9</sup>
C. 36 X 10<sup>9</sup>
D. -18 X 10<sup>9</sup>
Answer» C. 36 X 10<sup>9</sup>


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