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CGPET 2011 Solved Paper
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© examsnet.com
Question : 42
Total: 150
On an AC circuit, the hot wire ammeter reads current
10
A
. Its peak value is
10
A
20
A
14.14
A
7.07
A
Validate
Solution:
I
rms
=
I
0
√
2
I
0
=
√
2
I
rms
=
√
2
×
10
=
14.14
A
© examsnet.com
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