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In the interconnection of ideal sources shown in the figure, it is known that the $60 \mathrm{~V}$ source is absorbing power.


Which of the following can be the value of the current source $\text{I}?$

  1. $10 \mathrm{~A}$
  2. $13 \mathrm{~A}$
  3. $15 \mathrm{~A}$
  4. $18 \mathrm{~A}$

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