Charges q ↑ =1.5 mC, q 2 = 0.2 mC and q 3 = – 0.5 mC are placed at the points A, B and C respectively, as shown in Fig. Determine the resultant force on the charge at A. Charges of + 5 μC, + 10 μC and -10 μC are placed in air at the corners A, B and C of an equilateral triangle ABC, having each side equal to 5 cm. Find the magnitude of the electric force acting on a 1 C charge placed at the origin. The tenth particle has a charge 1000 × 10 -8 C. The first particle has a charge 1.0 × 10 -8 C, the second 8 × 10 -8 C, third 27 × 10 -8 C, and so on. Ten positively charged particles are kept fixed on the x-axis at points x = 10 cm, 20 cm, 30 cm, …, 100 cm. Here we are providing numerical problems based on Superposition Principle of Electric Forces for Class 12 Physics. Numerical Problems Based on Superposition Principle of Electric Forces for Class 12 Physics Where F total is the total force on the charged particle, F 1, F 2, …, F n are the individual forces exerted on the particle by each of the n other charged particles in the system. Mathematically, the superposition principle can be expressed as follows: ![]() The force between two charges is not affected by the presence of other charges. ![]() The principle of superposition states that when a number of charges are interacting, the total force on a given charge is the vector sum of the forces exerted on it due to all other charges. This principle is based on the property that the forces with which two charges attract or repel each other are not affected by the presence of other charges. The principle of superposition enables us to find the force on a point charge due to a group of point charges. Principle of superposition of electrostatic forces.Ĭoulomb’s law gives force between two point charges.
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