Determine whether each statement is correct or incorrect. 1. The magnitude of th

Question

Determine whether each statement is correct or incorrect.

1. The magnitude of the force between two charges can be either positive or negative depending on the arrangement of the charges.

2. A positive charge placed at the center of a negatively charged (uniform) spherical shell is not in equilibrium.

3. A charge placed at the center of a square which has 4 equal charges at its 4 corners is in equilibrium.

4. The force on a 1 Coulomb charge is placed at a point where the electric field is 1 Volt/meter is 1 Newton.

5. The electric field at a point in space is a vector.

Explanation / Answer

1.The magnitude of the force between two charges can be either positive or negative depending on sign(+ or -) of charges. Therefore, given statement is false.

2.Positive charge is attraced in all directions of  negatively charged (uniform) spherical , net force on positive charge is zero,so charge in equilibrium.Therefore, given statement is false.

3)A charge placed at the center of a square which has 4 equal charges , repelled in all directions  net force is zero .

so charge in equilibrium.Therefore, given statement is true.

4)The force on a 1 Coulomb charge is placed at a point where the electric field is 1 Volt/meter is 1 Newton.Therefore, given statement is true.

5)The electric field at a point in space is a vector.Therefore, given statement is true.

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