Three particles are held in place along the X-axis. One particle has a charge of 25 C and is located at the origin. Another particle (with a charge of 30 uC) is located at x=10 cm. The last charge is located at ×=-15 cm. What must be the amount of charge on the third particle, if the charge located at the origin is in equilibrium (i.e. all the forces cancel)?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.