Question
Download Solution PDFThe S.I. unit for torque experienced by an electric dipole in a uniform electric field is given by:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
- A combination of two charges +q and -q separated by a small distance d constitutes an electric dipole.
- The product of the magnitude of one charge and the distance between the charges is called the magnitude of the electric dipole moment.
- Force on a dipole at alignment to angle θ is
- F = ± qE sinθ
- SI unit of force is Newton (N)
- SI unit of distance is m (meter)
Explanation:
Torque experienced by an electric dipole in a uniform electric field
Torque = Force × distance between forces
⇒ τ = qE sinθ × d
So, the SI unit of torque is N-m
Last updated on May 26, 2025
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