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Electrical
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Q1. A separately excited D.C motor has an armature resistance of. It runs from a D.C supply drawing an armature current of at .What will be the torque developed for an armature current of at same field current?
Q2. How a differentially compound motor will behave in high over-load conditions? Give appropriate reason.
Q3. A current-carrying conductor having length dl is placed in a magnetic field. The magnetic flux intensity is B, by which rule the direction of force in the conductor can be determined. Explain in brief.
Q4. What will happen to a 230V DC motor if it is connected by 230V AC supply?
Q5. If six MOFFETs are connected in a bridge configuration then they can be driven as a voltage source inverter. TRUE or FALSE? Justify your answer.
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