Please see attached picture and solve all parts using superposition only. Find the power dissipated or absorbed by the voltage source V2. Does V2 release or absorb power?
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According to superposition principal to find current through V2 we have to find algebraic sum of currents through it due to each source separately.
Now if we consider the current source I1 only than the two voltage sources are to be short circuited and thus the circuit transforms as shown
The expert solves electrical circuits using the superposition