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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
If work done in moving charge in closed loop (when intial & final position is same) is zero then where does energy or emf of battery used for...it sho
If work done in moving charge in closed loop (when intial & final position is same) is ZERO then where does energy or emf of battery used for...it should also not get used na !!!! but it's using why ???
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Ravi prakash yadav![best-answer]()
Kirchhoff’s second rule, which states that in a closed loop, whatever energy is supplied by emf must be transferred into other forms by devices in the loop, since there are no other ways in which energy can be transferred into or out of the circuit. Thus, the emf equals the sum of the \displaystyle \text{IR}IR (voltage) drops in the loop and can be stated: emf=Ir+IR1+IR2