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what's the meaning of the negative going half cycle in the
circuit containing a bulb and a switch in series with a
input ac source.
i mean what happens in the -ve cycle.
the dir. of current changes or any other thing.
if dir. changes then why we use fuse in only phase wire.
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Answer Posted / maulik shah
of course the direction of
current changes in negative
half cycle but the current flows
only when there is a close
circuit. So placing two fuses in
phase and neutral both wires
makes no technical difference
As there is only one close loop
in 1 phase circuit. Although we
have to check two fuses each
time it blows off.
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