SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

2 Ω
1 Ω
5 Ω
10 Ω

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SSC JE Electrical 2019 with solution SET-1
 Two decimal coils A and B of 1000 turns each lies in the parallel plane such that 80% of the flux produced by one coil links with the other. If a current of 5A flowing in A produces a flux of 0.05 mWb, then the flux linking with coil B is:

4 mWb
0.04 mWb
0.4 mWb
0.004 mWb

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1600 W
800 W
1200 W
400 W

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SSC JE Electrical 2019 with solution SET-1
 Which of the following is the correct relation regarding coupled coils?

M > (L1L2)0.5
M ≤ (L1L2)0.5
M = (L1 + L2)/2
M = (L1 − L2)/2

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