MEDIUM
12th ICSE
IMPORTANT
Earn 100

Two point-charges of +1 μC and -1 μCare kept at a distance of 2 cm. They form an electric dipole. This dipole is situated in a uniform electric; field of 1×105 NC-1, with dipole moment vector p making an angle of 30 with the field. Calculate (i) the magnitude of electric dipole moment. 

Important Questions on Electric Charges and Fields

MEDIUM
12th ICSE
IMPORTANT
Two point-charges of +1 μC and -1 μCare kept at a distance of 2 cm. They form an electric dipole. This dipole is situated in a uniform electric field of 1×105 NC-1, with dipole moment vector p making an angle of 30 with the field. Calculate, (ii) the torque acting on the dipole. 
MEDIUM
12th ICSE
IMPORTANT
Two point-charges of +1 μCand -1 μC are kept at a distance of 2 cm. They form an electric dipole. This dipole is situated in a uniform electric; field of 1×105 NC-1, with dipole moment vector p making an angle of 30 with the field. Calculate (iii) When would be the torque maximum? How much?
MEDIUM
12th ICSE
IMPORTANT
An electric dipole, when held at 30 with respect to a uniform electric field of 104 NC, experiences a torque of  9×10-26 Nm. Calculate the moment of the dipole.