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AIIMS 25 May 2019 Evening Question Paper with solutions for online practice
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Question : 7
Total: 116
In a transformer number of turns in primary circuit is 500 and in secondary circuit number of turns is 10 and load resistance is 10Ω and voltage of secondary coil is 50 V then find the current in primary circuit.
0.2A
0.3A
0.4A
0.1 A
Validate
Solution:
i
2
=
V
2
R
L
=
50
10
=
5
A
i
1
i
2
=
N
2
N
1
⇒
i
1
5
=
10
500
⇒
i
1
=
0.1
A
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