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CBSE Class 12-science Answered

An electric dipole with dipole moment 4×10-9cm is aligned at 30° with the direction of a uniform electric field of magnitude 5×104N/C. Calculate the magnitude of torque acting on the dipole?
Asked by krishnamm7000 | 25 Jun, 2021, 07:30: AM
answered-by-expert Expert Answer
Torque τ acting on dipole p in electric field of intensity E is given as ,
 
where θ is angle between directions of dipole moment and  electric field .
 
τ = 4 × 10-9 × 5 × 104 × 0.5 = 10-4 N m
Answered by Thiyagarajan K | 25 Jun, 2021, 08:27: AM

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