External electric field is directed to the right

Reference no: EM13680469

A test charge of +3 µC is at a point P where an external electric field is directed to the right and has a magnitude of 4*10⁶ N/C. If the test charge is replaced with another test charge of -3 µC, the external electric field at P does which of the following?

a) Changes in a way that cannot be determined b) reverses direction c) is unaffected

Reference no: EM13680469

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