JEE Physics - MCQ Practice Questions

A conductor of arbitrary shape carries charge Q. Which is constant throughout the conductor?

A parallel plate capacitor has plate area A, separation d, and dielectric constant K. Its capacitance is:

Two identical conducting spheres carry charges +Q and -Q. When brought into contact, the charge on each sphere becomes:

A Gaussian surface encloses a net charge of 5 μC. The electric flux through the surface is:

Two capacitors C₁ and C₂ are connected in parallel across voltage V. The ratio of charges stored is:

What is the SI unit of electric dipole moment?

Two identical metal spheres with charges +Q and -Q are brought in contact and then separated. What is the final charge on each sphere?

A point charge q creates an electric potential of 100 V at distance 2 m. What is the potential at distance 8 m from the same charge?

What is the relationship between electric field E and potential V?

A Gaussian surface encloses charges 2q, -q, and 3q. What is the total electric flux through the surface?

A hollow conducting sphere of radius R has total charge Q. What is the surface charge density?

A parallel plate capacitor with plate area A and separation d is filled with dielectric constant κ. What is the capacitance?

A point charge +q is placed at the origin. What is the electric potential at a distance r from the charge?

An electric dipole of dipole moment p is placed in a uniform electric field E at an angle θ to the field. What is the torque acting on the dipole?

A uniformly charged conducting sphere of radius R and total charge Q is surrounded by a concentric spherical shell. Using Gauss's law, what is the electric field at a distance r > R from the center?

The electric potential energy of a system of two point charges q₁ and q₂ separated by distance r is:

An electric field E = 100 V/m is applied between two parallel plates separated by distance d = 0.02 m. What is the potential difference between the plates?