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Electricity and Magnetism

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Moderate

Forces from Two Fixed Charges

EANDM-AIWRKD

Two fixed charged $+1.03\ \mu C$ and $-2.75\ \mu C$ are 10.0 cm apart.

Where may a third charge be located so that it experiences no net force due to the two fixed charges?

A

15.8 cm from the $+1.03\ \mu C$ charge, on the side opposite to the $-2.75\ \mu C$ charge.

B

23.3 cm from the $+1.03\ \mu C$ charge, on the side opposite to the $-2.75\ \mu C$ charge.

C

It depends on the sign of the third charge.

D

4.3 cm in between the charges.