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JEEMAIN-2016
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Q)
An arc lamp requires a direct current of 10 A at
80
V
to function. It is connected to a
220
V
(
r
m
s
)
,
50
H
z
AC supply, the series inductor needed for it to work is close to :
(
1
)
80
H
(
2
)
0.08
H
(
3
)
0.044
H
(
4
)
0.065
H
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