What inductance will give the same reactance as a capacitor of 2 μF when both are at 50 Hz? a. 5H b. 10H c. 15H d. 20H Last Answer : Ans. a. 5H ...
What are the uses of Servomotors? Last Answer : These are used in computers, machine tools, process controllers, and robots, radars, tracking and guiding units ...
What are the practical applications of variable resistance? Last Answer : Its applications are: Volume control Fan speed control Light dimmer...
What are the types of semiconductors? Last Answer : There are two kinds of semiconductors intrinsic and extrinsic. In extrinsic semiconductors, you will contain N-type semiconductors and P-type semiconductors....
What are the disadvantages of three point starter? Last Answer : Here NVC and the field winding are in series. so while controlling the speed of the motor above rated, field current is reduced by adding an extra resistance in series with the field winding. To ... winding, four point starter is used in which NVC and the field winding are connected in parallel....
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