Podcast
Questions and Answers
What is dynamically induced e.m.f.?
What is dynamically induced e.m.f.?
It is e.m.f. due to physical movement of the coil or conductor with respect to flux or movement of flux with respect to coil or conductor.
What is the purpose of connecting a large number of conductors together in a specified manner in a D.C. machine?
What is the purpose of connecting a large number of conductors together in a specified manner in a D.C. machine?
To have a large voltage at the output.
What is the winding called that is formed by connecting a large number of conductors together in a specified manner in a D.C. machine?
What is the winding called that is formed by connecting a large number of conductors together in a specified manner in a D.C. machine?
Armature winding.
What is the external device used to rotate the conductors placed in the armature of a D.C. machine?
What is the external device used to rotate the conductors placed in the armature of a D.C. machine?
Signup and view all the answers
What is the process called when an electrical machine transfers energy from mechanical to electrical form or vice versa?
What is the process called when an electrical machine transfers energy from mechanical to electrical form or vice versa?
Signup and view all the answers
What is the name of an electrical machine that converts mechanical energy into electrical energy?
What is the name of an electrical machine that converts mechanical energy into electrical energy?
Signup and view all the answers
What is the name of an electrical machine that converts electrical energy into mechanical energy?
What is the name of an electrical machine that converts electrical energy into mechanical energy?
Signup and view all the answers
What principle do all generators work on?
What principle do all generators work on?
Signup and view all the answers
According to Faraday's law of electromagnetic induction, what happens when the number of magnetic lines of force linking with a conductor or a coil changes?
According to Faraday's law of electromagnetic induction, what happens when the number of magnetic lines of force linking with a conductor or a coil changes?
Signup and view all the answers
What is the mathematical expression for the magnitude of the induced e.m.f in a conductor?
What is the mathematical expression for the magnitude of the induced e.m.f in a conductor?
Signup and view all the answers