6 Questions
What is the primary function of a commutator in a DC generator?
To convert the generated alternating current (AC) into direct current (DC)
How does the direction of the generated emf change in a DC generator?
It changes across every conductor when the armature rotates
What is the fundamental principle behind the operation of a DC generator?
Electromagnetic induction
What is the shape of the output voltage waveform of a DC generator?
Pulsating DC
What happens when a closed path is provided to the moving conductor in a DC generator?
The generated emf causes a current to flow in the circuit
How does the commutator in a DC generator reverse the connections to the external circuit?
It reverses the connections at the same instant that the direction of emf reverses in each coil side
Test your knowledge on Faraday's Law of Electromagnetic Induction and the emf equation of DC Generators. Understand how the movement of a conductor in a magnetic field induces emf and generates current in a closed circuit.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
