Electrostatic Potential and Capacitance questions
621 published questions with worked solutions.
- Two identical electric point dipoles have dipole moments p_1 =p i and p_2 =-p i and are held on the x axis at distance 'a' from...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The potential...
- If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then A. the charge stored in...
- In a certain region of space with volume 0.2 m^3, the electric potential is found to be 5 V throughout. The magnitude of electric...
- The capacitance of a parallel plate capacitor with air as medium is 6 . With the introduction of a dielectric medium, the...
- A short electric dipole has a dipole moment of 16 10^ -9 C m. The electric potential due to the dipole at a point at a distance...
- Two hollow conducting spheres of radii R_1 and R_2 (R_1 R_2) have equal charges. The potential would be :
- The angle between the electric lines of force and the equipotential surface is :
- Two metal plates (A, B) are kept horizontally with separation of ( 12 ) cm, with plate A on the top. An atomizer jet sprays oil...
- Two charged conducting spheres S₁ and S₂ of radii 8 cm and 18 cm are connected to each other by a wire. After equilibrium is...
- A parallel plate air capacitor is connected to a battery. The plates are pulled apart at uniform speed v. If x is the separation...
- A rigid dipole undergoes a simple harmonic motion about its centre in the presence of an electric field E_1=E_0 x. If another...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In...
- The electric potential as a function of x, y is given by V=5(x²−y²) V. The electric field at a point (2,3) m is _______ V/m.
- A sphere of capacitance 100 pF is charged to a potential of 100 V. Another identical uncharged metal sphere is brought in contact...
- A parallel plate capacitor is having separation between plates 0.885 mm. It has a capacitance of 1 μF when the space between the...
- An electric dipole is placed at an angle of 30° with an electric field of intensity 2 10^ 5 N C^ -1 . It experiences a torque...
- An ac source is connected to a capacitor C. Due to decrease in its operating frequency :
- Two charged spherical conductors of radius R_1 and R_2 are connected by a wire. Then the ratio of surface charge densities of the...
- A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is...
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