Electrical Machines Transformer Transformer on No Load

What is the magnetising component (I_m) of no load current (I_o) wherein primary voltage is V₁?

1

I_m = I_o sin ϕ lagging V₁ by 90^°

2

I_m = I_o sin ϕ leading V₁ by 90^°

3

I_m = I_ocos ϕ leading V₁ by 90^°

4

I_m = I_o cos ϕ lagging V₁ by 90^°

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