Consider the following statements with reference to the

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Consider the following statements with reference to the block diagram of a control system given in the figure
1. For G₂ = 0, the system is open-loop.
2. For G₁ = 0, the system is closed-loop.
3. For G₂ = H = 1, the system is closed-loop Of these statements—

1. 1, 2 and 3 are correct
2. 1 and 2 are correct
3. 2 and 3 are correct
4. 1 and 3 are correct

Correct Option: C

NA