Answer / md shahazam

ac current flow in both direction.so it can't be store.

Answer / naresh kumar

the reason is when A.c supply is given the atoms get
thermally vibrated and dissipating energy in the form of
heat so ther is no chance of energy storage....
while coming to d.c supply the thermally vibrations are
absent....... that is the reason we can store the D.c but
not A.c.....

Answer / mahesh

the ac current flows in both direction

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Could explain briefly of over excitation in transformer.

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