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| 1. |
explain: electric charges and field |
| Answer» <p>Electric charge is a basic property of electrons, protons and other subatomic particles. Electrons are negatively charged while protons are positively charged. Things with the same charge repel each other. Things that have different charges attract each other.</p><p>Electric field is defined as the electric force per unit charge. The direction of the field is taken to be the direction of the force it would exert on a positive test charge. The electric field is radially outward from a positive charge and radially in toward a negative point charge.</p> | |