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Electronics and Communication Communication Systems Difficulty: Medium

The phase margin of a system with the open-loop transfer function $$G\left( s \right)H\left( s \right) = \frac{{\left( {1 - s} \right)}}{{\left( {1 + s} \right)\left( {2 + s} \right)}}$$ Which dc servomotor requires strongest permanent magnet? Ceramic resonators use which one of the following? Decoding of RS code comprises the determination of error . . . . . . . . 1. Position 2. Magnitude 3. Angle 4. Frequency The circuit shown in Figure-I is replaced by that in Figure-II. If current 'I' remains the same, then R 0 will be