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Electrostatics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
Question

Two opposite and equal charges 4 ×   when placed 2  cm away, form a dipole. If this dipole is placed in an external electric field 4 ,  the value of maximum torque and the work done in rotating it through 180°  will be

(a) 64  and  64

(b) 32   and 32  

(c) 64  and 32  

(d) 32  and 64  
✓

Answer

(d) 32  and 64  

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