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Physics · Electrostatic Potential

हिन्दी

Consider the following statements regarding electric potential: (A) Potential at a point due to a positive charge is positive. (B) Potential at a point due to a negative charge is negative. (C) Electric potential is a scalar quantity. (D) The unit of electric potential is Joule/Coulomb. Which of the above statements are correct?

  1. (A), (B) and (C) only
  2. (B), (C) and (D) only
  3. All (A), (B), (C) and (D)
  4. (A), (C) and (D) only

Correct answer · Option 3

All (A), (B), (C) and (D)

Explanation

All statements (A), (B), (C), and (D) are correct fundamental facts regarding electric potential.

Related questions

A capacitor of capacitance \( C_1 = 4\, \mu\text{F} \) is charged to \( 50\text{ V} \) and another capacitor \( C_2 = 6\, \mu\text{F} \) is charged to \( 100\text{ V} \). If they are connected together in parallel with plates of like polarity connected together, the final common potential difference across the combination is:→Inside a uniformly polarised dielectric slab, the net charge in any macroscopic volume element \( \Delta v \) is zero because:→A conductor and a dielectric slab are placed separately in a uniform external electric field \( \mathbf{E}_0 \). If \( \mathbf{E}_{\text{in}} \) represents the induced electric field inside each material, the net electric field inside them satisfies:→Given below are two statements: Statement I: The formula for electrostatic energy density \( u = \frac{1}{2} \varepsilon_0 E^2 \) is valid only for the uniform electric field between the plates of a parallel plate capacitor. Statement II: The permittivity of a dielectric medium is always smaller than the permittivity of free space. In the light of the above statements, choose the most appropriate answer from the options given below:→
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