A 220V dc motor developing 25 hp (18.65 kW) runs at a speed of 1000 r/min.. Calculate the torque in N-m if the efficiency of the motor is 90%. Select one. Oa. Not on the list b. 100 N-m c. 120 N-m d. 178 N-m e. 200. N-m

Q: 2 . Why is copper mainly used in electrical cables and electronic industries

A: Copper mainly used in electrical cables and electronic industries because conductor should have low…

Q: (2) A controlled half-wave rectifier has a 240 V rms 60Hz ac source, The load a is R=30 Ohm resistor…

A: Given,    A controlled half wave rectifier,       Vrms= 240V         f = 60Hz         R = 30 ohm

Q: What is the function of solenoid coil in P-I converter? O a. To produce magnetic field O b. To…

A:

Q: times

A: effective voltage =peak voltage/(√2) So by simplifying we get  Effective voltage equals to 0.707…

Q: Ferromagnetic materials have this characteristic.    A. A relative permeability slightly less than…

A: We are asked to identify characteristics of ferromagnetic materials from the given options.

Q: Can you please explain pinch off voltage and go into more detail about how you found VP? thank you

A: The pinch off voltage Vp is the value of drain to source voltage (Vds) at which the drain current…

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.