Podcast
Questions and Answers
What are the two basic parts of a DC machine?
What are the two basic parts of a DC machine?
- Armature and commutator
- Brushes and terminals
- Field winding and yoke
- Stator and rotor (correct)
What is the outer frame of a DC machine called?
What is the outer frame of a DC machine called?
- Field winding
- Commutator
- Yoke (correct)
- Armature
Can a DC generator be used as a DC motor without any constructional changes?
Can a DC generator be used as a DC motor without any constructional changes?
- No, never
- Yes, only with minor modifications
- Depends on the size of the machine
- Yes, theoretically (correct)
What term can be used to broadly describe both a DC generator and a DC motor?
What term can be used to broadly describe both a DC generator and a DC motor?
How many poles does the simple 4-pole DC machine shown in the figure have?
How many poles does the simple 4-pole DC machine shown in the figure have?
What are the two basic parts of a DC machine?
What are the two basic parts of a DC machine?
What is the outer frame of a DC machine called?
What is the outer frame of a DC machine called?
What material is the yoke of a DC machine typically made of?
What material is the yoke of a DC machine typically made of?
Can a DC generator be used as a DC motor without any constructional changes?
Can a DC generator be used as a DC motor without any constructional changes?
What term can be broadly used to refer to both a DC generator and a DC motor?
What term can be broadly used to refer to both a DC generator and a DC motor?
What was the first electromagnetic generator invented by Michael Faraday?
What was the first electromagnetic generator invented by Michael Faraday?
Which of the following is not a potential source of mechanical energy for generators?
Which of the following is not a potential source of mechanical energy for generators?
What do photovoltaic and fuel cell powered generators use to generate electrical output?
What do photovoltaic and fuel cell powered generators use to generate electrical output?
In what year was the Faraday disk, the first electromagnetic generator, invented?
In what year was the Faraday disk, the first electromagnetic generator, invented?
What is the reverse conversion of electrical energy into mechanical energy done by?
What is the reverse conversion of electrical energy into mechanical energy done by?