An electric dipole of length 2 cm, when placed with its axis making an angle of 60o with a uniform electric field, experiences a torque of 8√3 Nm. Calculate the potential energy of the dipole, if it has a charge of ± 4nC.
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Solution
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Torque, τ=PEsinθ=2Qlsinθ
Here l is the
length of the dipole, Q is the charge and E is the electric
field.
An electric dipole of length 2 cm, when placed with its axis making an angle of 60o with a uniform electric field, experiences a torque of 8√3 Nm. Calculate the potential energy of the dipole, if it has a charge of ± 4nC.
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Q2
An electric dipole of length 4cm,when placed with its axis making an angle of 60o with a uniform electric field, experience a torque of 4√3Nm. Calculate the potential energy of the dipole if it has charge ±8nC.
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Q3
An electric dipole of length 4cm , when placed with its axis making an angle of 60∘ with a uniform electric field , experiences a torque of 4√3Nm. Find the potential energy of the dipole, if the dipole has charges of ±8nC (in J)
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Q4
An electric dipole of length 4cm when placed with its axis making an angle of 60∘ with a uniform electric field, experience a torque of 4√3N−m. Calculate the potential energy of the dipole of it has charge ±8nC.
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Q5
An electric dipole of length 2cm is placed with its axis making an angle of 30∘ to a uniform electric field 105N/C.If it experiences a torque 10√3Nm,then potential energy of the dipole