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Electronics and Communication Control Systems Difficulty: Medium

If the characteristic equation of a closed-loop system is s 2 + 2s + 2 = 0, then the system is A Type-I superconductor is 1. A conductor of infinite conductivity at all temperature. 2. A conductor with very large conductivity below a critical temperature. 3. A material showing susceptibility = -1 drastically reduced by a critical temperature. 4. A perfect conductor having conductivity drastically reduced by a critical current. Which of these statements are correct? A 4 km optical link consists of multimode step index fiber with core refractive index of 1.3 and a relative refractive index difference of 1%. Find the delay difference between the slowest and fastest modes at the fiber output. A network has 10 nodes and 17 branches. The number of different node pair voltage would be How many external interrupts does SPARC processor support?