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Test Index
Class 12 NEET Physics Electromagnetic Induction and Alternating Currents
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© examsnet.com
Question : 3
Total: 114
A step up transformer is connected to an ac mains supply of
220
V
to operate at
11000
V
,
88
watt. The current in the secondary circuit, ignoring the power loss in the transformer, is
[NEET 2024 Re]
8
mA
4
mA
0.4
A
4
A
Validate
Solution:
In secondary circuit,
P
=
V
i
⇒
88
=
11000
i
⇒
i
=
88
11
×
10
3
=
8
×
10
−
3
A
⇒
i
=
8
mA
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