An electric dipole of length 1cm, which placed with its axis making an angle 60 with uniform electric field, experience torque of 63? Nm. Calculate the potential energy of the dipole if it has charge + and - 2 nano C

Open in App

Solution

Dear Student
$τ = p E \sin θ 6 \sqrt{3} = p E \sin 60 = p E \frac{\sqrt{3}}{2} p E = 12 P o t e n t i a l e n e r g y = - p E \cos θ = - 12 \cos 60 = - 6 J$
Regards

Suggest Corrections

Similar questions

Q. An electric dipole of length 2 cm, when placed with its axis making an angle of 60

^{o}

with a uniform electric field, experiences a torque of

6 \sqrt{3}

Nm. Calculate the potential energy of the dipole, if it has a charge of

\pm

2 nC.

An electric dipole of length $4 c m$ , when placed with its axis making an angle of 60° with a uniform electric field, experiences a torque of $4 \sqrt{3}$ Nm. Calculate the potential energy of the dipole, if it has charge $\pm 8 n C$ .

Q. An electric dipole of length

4 cm

, when placed with its axis making an angle of

60^{\circ}

with a uniform electric field , experiences a torque of

4 \sqrt{3} Nm

. Find the potential energy of the dipole, if the dipole has charges of

\pm 8 nC

(in

J

)

Q. An electric dipole of length

2 cm

is placed with its axis making an angle of

30^{\circ}

to a uniform electric field

10^{5} N/C

.If it experiences a torque

10 \sqrt{3} Nm

,then potential energy of the dipole

Join BYJU'S Learning Program

An electric dipole of length 1cm, which placed with its axis making an angle 60 with uniform electric field, experience torque of 63? Nm. Calculate the potential energy of the dipole if it has charge + and - 2 nano C

Dear Student τ =pE sinθ63=pE sin60=pE 32pE = 12Potential energy = -pE cosθ =-12 cos 60 =-6J Regards

Dear Student
$τ = p E \sin θ 6 \sqrt{3} = p E \sin 60 = p E \frac{\sqrt{3}}{2} p E = 12 P o t e n t i a l e n e r g y = - p E \cos θ = - 12 \cos 60 = - 6 J$
Regards