Best answer: What is an electric field Quizizz?

Electric field is. A region of space in which an electric charge will experience a force when place in it. Exist in a point.

Which statement best describes the electric field in the image?

Which statement best describes the electric fields in the image? The charges are neutral. Both charges are negative, so the field lines are alike. The field lines move toward a positive charge and away from a negative charge.

At which point is the electric field the weakest?

Electric field strength is greatest where the lines are closest together and weakest where lines are furthest apart.

What is the direction of the force on the positive charge Quizizz?

The force on a positive charge (+) is in the direction of the electric field. The force on a negative charge (-) is in the opposite direction from the electric field.

At which point is the electric field the strongest?

The magnitude of an electric field is directly proportional to the density of electric field lines. When the lines are closer to each other, the >electric field is the strongest; when the filed lines are far apart from each other, the electric field is the weakest.

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What influences the strength of an electric field?

The strength of the electric field depends on the source charge, not on the test charge. … A line tangent to a field line indicates the direction of the electric field at that point. Where the field lines are close together, the electric field is stronger than where they are farther apart.

What is the direction of the electric field at a point directly to the left of a positive charge?

The electric field points to the left because the force on a negative charge is opposite to the direction of the field. The electric field points to the right because the force on a negative charge is in the same direction as the field.

How is the direction of an electric field defined?

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.

Why do the electric field lines never cross each other?

Electric field lines always point in one direction, at any point. When two lines intersect each other, tangents are drawn at that point indicating two directions of electric field lines, which is impossible therefore electric field lines cannot cross over each other.

Are electric field lines straight?

Electric field lines are always straight. All electric potemtials are measured with respect to the negative terminal of the power supply.

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Can electric field lines curve?

This means that the overlapping curved field lines will average out as a straight field line, through the middle of the point-charge pairs. The outermost edges of the electric field, on the other hand, will have nothing to interfere with, and remain curved.

Why do we need the electric field?

Electric fields provide us with the pushing force we need to induce current flow. An electric field in a circuit is like an electron pump: a large source of negative charges that can propel electrons, which will flow through the circuit towards the positive lump of charges.

Where is the electric field zero?

For unlike charges, the electric field is zero outside of the smaller magnitude charge. For like charges, the electric field will be zero closer to the smaller charge and will be along the line joining the two charges.