MCQ
What is net force on the small dipole placed inside the capacitor at steady state if the plates are separated by $1\ cm$ ?......$N$


- ✓$0$
- B$4$
- C$8$
- D$16$

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Reason : Efficiency of electric motor depends only on magnitude of back $emf$ .

$(log_e \,2 =ln\, 2)$
