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Two charges of charge -4 micro Coulomb and +4 micro coulomb are placed at the point A(1,0,4) and B(2,-1,5) located in an electric field E = 0.20i V/C-m. Then torque acting on the dipole will be (a) 2.3*10^-4 N/m (b) 7.98*10^-4 C/m © 7.11*10^-4 C/m (d) 7.04*10^-4 C/m

Two charges of charge -4 micro Coulomb and +4 micro coulomb are placed at the point A(1,0,4) and B(2,-1,5) located in an electric field E = 0.20i V/C-m. Then torque acting on the dipole will be 
  • (a) 2.3*10^-4 N/m
  • (b) 7.98*10^-4 C/m
  • © 7.11*10^-4 C/m
  • (d) 7.04*10^-4 C/m

Grade:11

1 Answers

chetan jangir
101 Points
2 years ago
It is simple P*E here both P and E are Vectors there is a cross product. where P=dipole moment vector from negative to positiv charge having magnitude Q*d and E is electric field vector

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