4) In the figure below, C1 and C2 are very large. Determine the following (a) Quiescent collector current flowing in transistor Q1 (b) DC value of Vc and VE (collector and emitter voltages of Q1) (c) Small-signal gain vo/vs (d) power dissipated in the transistor Q1

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Speed control of motor

Speed control by DC motor-speed controller is required to realize variable speed drive. Whenever a motor drives a particular load, it is called drive, and variable speed drive refers to a load requiring variable speed. All this is obtained by a DC motor speed controller.