a. Direction of electric field is always from higher potential to lower potential. Assume a negative charge is placed in a horizontal electric field flowing from left to right. This means right side corresponds to lower potential. Therefore, the negative charge will move towards the left. b. Suppose a negatively charges bob is attached to a string and placed in a horizontal electric field flowing from left to right. The bob will tilt towards the left side. Consider the electric field between two charged plates. Suppose a negative test charge enters symmetrically, it will move towards the positively charged plate and hence, opposite to electric field direction. 1.For each scenario a and b, if there is one positive linear charge and one negative linear charge included in the system, locate whether the positive and the negative linear charges are at the left or at the right side of the horizontal electric field.

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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.