Electrical Machines The commutator segments of DC machines are made up of copper brass hard-drawn copper copper alloy copper brass hard-drawn copper copper alloy ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Eg vs Ia Vt vs Ia Eg vs load current Vt vs load current Eg vs Ia Vt vs Ia Eg vs load current Vt vs load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current None of above. Remains unchanged. Decreases. Increases. None of above. Remains unchanged. Decreases. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is electromagnetic torque. starting torque. maximum torque. none. electromagnetic torque. starting torque. maximum torque. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying its flux oer pole. all of these. applied voltage. resistance of armature culture. its flux oer pole. all of these. applied voltage. resistance of armature culture. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for All of these shunt motors. series motors. compound motors. All of these shunt motors. series motors. compound motors. ANSWER DOWNLOAD EXAMIANS APP
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