Tusion -2

Equation for potential energy of two charge system

• kqQ/r²

• U=W

• kqQ/r

• qQ/r

Dimensional Formula for electric potential

• LT^-3 I^-1

• ML²T^-3 I^-1

• MLT^-3 I^-1

• ML²T^-3 I

Relation between Electric field and potential

• V=-dE/dr

• E=-dr/dV

• E=dV/dr

• E=-dV/dr

At which angle torque is maximum

• 90

• 0

• 180

• 120

W=kqQ/r is stored as the ___ energy of the system

Potential difference =

• ΔU/q

• W

• q/W

• W_i-f /q

Electric potential due to single charge

• V=KqQ/r

• V=kq/r

• V=q/r

• V=kq/r²

What will be the potential at a equipotential surface

• same

• Zero

• constant

• different

For a single positive charge what will be the shape of equipotential surfaces ,if it exsit

• circles

• spheres

• concentric spheres

• Concentric circles

Potential energy of a dipole in uniform electric field,when Θ=0

• -pE

• pE

• 0

• pE cosΘ