Font size
WorksheetsDC Machine
Total questions: 10
Worksheet time: 6mins
What is DC machine?
Consist of DC motor and generator
DC motor
DC generator
Use AC for incoming supply
Define a commutator?
to connect generated voltage with external circuit
to produced magnetic field
to generate electricity
to link loop with brusheh
Conversion from mechanical energy to electrical energy is also defined as what?
a motor
a generator
a series motor
a shunt motor
A (a) is induced in armature conductors when current carrying conductors are placed in a magnetic field
To determine the direction of the induced EMF/current of a conductor moving a magnetic field.
Kirchhoff's law
Maxwell's rule
Fleming's rule
Ohm's law
The magnitude of the induced EMF depends on?
The strength of the magnetic field
The angle at which the conductor cuts the magnetic field
The speed at which the conductor is moved
The length of the conductor within the magnetic field
DC machine consists of?
Permanent magnet
Electromagnet
Shunt motor
Permanent & Electromagnet
Electromagnet consist of?
Separately excited
Self-excited
Separately & self-excited
Compound
Self-excited motor consist of?
Series & Shunt
Shunt & Compound
Series, shunt, & compound
Separately
(a) magnetic flux is derived from a separate power source independent of the generator itself.
