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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
>>
2010
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Q)
In the circuit shown below, the key K is closed at t = 0. The current through the battery is
( A )
V
R
2
at
t
=
0
and
V
R
1
R
2
√
R
2
1
+
R
2
2
at
t
=
∞
( B )
V
(
R
1
+
R
2
)
R
2
1
+
R
2
2
at
t
=
0
and
V
R
2
at
t
=
∞
( C )
V
R
1
R
2
√
R
2
1
+
R
2
2
at
t
=
0
and
V
R
2
at
t
=
∞
( D )
V
R
2
at
t
=
0
and
V
R
1
R
2
R
1
+
R
2
at
t
=
∞
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