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Class 12 · Physics
→A positive charge is inside a closed surface and a negative charge is outside it. What determines the total electric flux through the surface?
Class 12 · Physics
→The charge enclosed by a closed surface is doubled. What happens to the total electric flux through the surface?
Class 12 · Physics
→If the shape of a closed surface is changed but the net enclosed charge remains the same, what happens to total flux?
Class 12 · Physics
→When can electric flux change from positive to negative?
Class 12 · Physics
→If the area vector makes 30 degrees with the electric field, how will flux compare with maximum flux?
Class 12 · Physics
→The area vector of a plane surface is northward and the electric field is eastward. What is the flux?
Class 12 · Physics
→The area vector of a plane surface is eastward and the electric field is westward. What is the sign of flux?
Class 12 · Physics
→Why does the electric field of a dipole decrease faster than that of a point charge at far points?
Class 12 · Physics
→At a far point on the equatorial line of a dipole, what is the direction of the electric field?
Class 12 · Physics
→At a far point on the axial line of a dipole, the electric field is generally in which direction?
Class 12 · Physics
→Why is the net force on a dipole not necessarily zero in a non-uniform electric field?
Class 12 · Physics
→In a uniform electric field, the net force on a dipole is zero. Why can it still rotate?
Class 12 · Physics
→Dipole moment is along the electric field. Why is this stable equilibrium?
Class 12 · Physics
→Dipole moment is opposite to the electric field. Why is this position called unstable?
Class 12 · Physics
→If the angle between dipole moment and electric field is 90 degrees, what is the torque?
Class 12 · Physics
→A dipole is at 30 degrees with a uniform electric field. Why will the torque not be zero?
Class 12 · Physics
→If the charge magnitude of a dipole is halved and its separation is made four times, what happens to the dipole moment?
Class 12 · Physics
→To make the dipole moment three times while keeping charge same, what change is needed in separation?
Class 12 · Physics
→In a dipole the charge magnitude is doubled and separation is halved. What happens to the dipole moment?
Class 12 · Physics
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