ElectrostaticsHard
Question
Two opposite and equal charges 4 × 10-8 C when placed 2 × 10-2 cm away form a dipole. If this dipole is placed in an external electric field 4 × 108 N/C the value of maximum torque and the work done in rotating it through 180 degree will be : -
Options
A.64 × 10-4 Nm, 64 × 10-4 J
B.32 × 10-4 Nm, 32 × 10-4 J
C.64 × 10-4 Nm, 32 × 10-4 J
D.32 × 10-4 Nm, 64 × 10-4 J
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