MHT CET 2026 Physics question
An electric dipole of length 0.5 μm is placed with its axis making an angle of with uniform electric field V/m. If it experiences a torque of Nm, the magnitude of the charge on the dipole is ()
Answer: (C)
Solution
Torque on a dipole: . Hence \dfrac{τ}{lE\sinθ}\dfrac{5×10^{-9}}{(0.5×10^{-6})(10^4)(0.5)}\dfrac{5×10^{-9}}{2.5×10^{-3}}$ =
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