NEET Physics Electric Charges and Fields Class 12 Questions

Figure below show regular hexagons, with charges at the vertices. In which case, the electric field at the centre zero?

Match the Column I (electric lines of force) with Column II (types of charge) and select the correct answer from the codes given below.

The spatial distribution of the electric field due to charges (A, B) is shown in figure. Which one of the following statements is correct

Two charges of +25 × 10⁻⁹ coulomb and –25 × 10⁻⁹ coulomb are placed 6 m apart. Find the electric field intensity ratio at points 4 m from the centre of the electric dipole (i) on axial line (ii) on equatorial line

What did Coulomb discover about the force between two point charges?

What is the dependence of the electric field due to a point charge with respect to distance?

What does Coulomb's law state about the force between two point charges?

What do electric field lines represent in relation to electric charges?

What is the form of Coulomb's law as stated in the context?

What is the value of the constant of proportionality k in Coulomb's law in SI units?

What does electric flux through a surface depend on?

What is the formula for electric flux through a surface in terms of charge and permittivity?

What is defined as the electric field at a point in space due to a system of charges?

What is the direction of the electric field vector E1B at point B due to the positive charge q1?

What is the approximate value of the proportionality constant k in Coulomb's law in SI units?

What is the approximate value of the constant k in Coulomb’s law in SI units?

What did Coulomb find about the force between two point charges?

What is the relationship between the force acting on two point charges and the distance separating them, as described by Coulomb's law?

What is the relationship between electric flux (Φ) and the charge (q) enclosed within a surface according to Gauss's law?

What is the unit of electric flux?

What is the force experienced by a unit test charge placed in an electric field defined as?

What is the unit of electric flux?

What is the approximate value of the constant k in Coulomb’s law in SI units?

What is the value of the constant of proportionality k in Coulomb's law in SI units?

What is the relationship between the force between two point charges according to Coulomb's law?

What does Equation (1.3) indicate about the force between two charges of the same sign?

What is the relationship between electric flux (φ) and the total charge (q) enclosed within a closed surface as stated in Gauss's law?

What is the unit of electric flux?

Which of the following statements about Coulomb's Law is correct?

Which of the following statements about electric charges is correct?

Which of the following statements about electric charges and their interactions is correct?

Which of the following statements about electric fields are correct?

Which of the following statements about electric fields is correct?

Which of the following statements about electric flux is correct?

Which of the following statements about an electric dipole is correct?

Consider the following statements regarding electric charges and their interactions: 1) The force between two point charges is affected by their separation distance. 2) The size of charged bodies can be ignored when they are treated as point charges. 3) The force of attraction exists between charges of the same sign. 4) Coulomb's law states that the force is directly proportional to the product of the magnitudes of the charges involved. Which combination of these statements is correct?

Consider the following statements about electric dipoles and their behavior in an electric field: 1. The unit vector along the dipole axis is directed from the negative charge to the positive charge. 2. The force experienced by a dipole in a uniform electric field depends on the distance between the charges. 3. The electric field produced by a dipole decreases with increasing distance from the dipole. 4. Electric dipoles experience a torque when placed in a uniform electric field.

Which of the following statements about Coulomb's Law is correct?

Which of the following statements about Coulomb's Law is correct?

Which of the following statements about electric fields is correct?

Which of the following statements about electric dipoles is correct?

Which of the following statements about electric fields is correct?

Which of the following statements about Coulomb's Law is correct?

Which of the following statements about electric charges and fields is correct?

Which of the following statements about electric flux is correct?

Which of the following statements about electric dipoles is correct?

What is the magnitude of the electric field E at a point P located at a radial distance r from the center of a uniformly charged thin spherical shell of radius R, where r > R?

Two point charges, q1 = 2 μC and q2 = -3 μC, are placed 0.5 m apart in vacuum. What is the magnitude of the force between them?

Two point charges, q1 = 2 μC and q2 = -3 μC, are placed 0.5 meters apart in a vacuum. Calculate the magnitude of the force between them using Coulomb's Law. (Use 1/4πε0 = 9 × 10^9 N m²/C²).

Two point charges, q1 and q2, are placed at a distance r apart in a vacuum. If the charges are doubled and the distance is halved, by what factor does the force between them change?