A variety of important phenomena and devices can be understood with Faraday’s law. In this section, we examine two of these: Electric Generators and Electric Motors.
When connected to a 120-V source (ϵS), the motor draws 10 A while running at constant angular velocity. (a) What is the back emf induced in the rotating coil, ϵi? (b) What is t...When connected to a 120-V source (ϵS), the motor draws 10 A while running at constant angular velocity. (a) What is the back emf induced in the rotating coil, ϵi? (b) What is the mechanical power output of the motor? (c) How much power is dissipated in the resistance of the coils? (d) What is the power output of the 120-V source? (e) Suppose the load on the motor increases, causing it to slow down to the point where it draws 20 A.
A variety of important phenomena and devices can be understood with Faraday’s law. In this section, we examine two of these: Electric Generators and Electric Motors.
A variety of important phenomena and devices can be understood with Faraday’s law. In this section, we examine two of these: Electric Generators and Electric Motors.