Two point charges are 10.0 cm apart and have charges of 2.0 m C and –2.0 m C, re

Question

Two point charges are 10.0 cm apart and have charges of 2.0mC and –2.0 mC, respectively. What is theelectric field at the midpoint between the two charges? Two point charges are 10.0 cm apart and have charges of 2.0mC and –2.0 mC, respectively. What is theelectric field at the midpoint between the two charges? Two point charges are 10.0 cm apart and have charges of 2.0mC and –2.0 mC, respectively. What is theelectric field at the midpoint between the two charges? Two point charges are 10.0 cm apart and have charges of 2.0mC and –2.0 mC, respectively. What is theelectric field at the midpoint between the two charges?

Explanation / Answer

        Given that the chargesis q1 = 2*10-3 C and q2 = 2*10-3 C           separation is d = 10 cm = 0.10 m ------------------------------------------------------------------------ Electric field is E1 = k*q1*/d2                                             = ----------N/C                           and   E2 = k*q2*/ d2                                             = ----------N/C        Then the net electricfield is E = E1 + E2 Directed towards charge q2.

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