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The torque on the dipole is given as τ = pE sin θ. The potential energy of the dipole in the electric field is given as U = -pE cos θ.

1. Electric field at a point inside a charged conducting spherical shell is zero.
2. Energy = 2eV ⇒ eVo = 2 ⇒ Vo = 2 volt
3. E = Vo/d = 2/(4×10^-8) = 0.5×10^8 = 5×10^7 Vm^-1
4. E = -i(4x^2) dx = -8i V/m

Correct answer: Electric field at a point inside a charged conducting spherical shell is zero.

Solution

The electric field inside a charged conducting spherical shell is zero due to electrostatic shielding, as charges reside only on the outer surface of the conductor.

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