DC MOTOR 01

What are the basic parts of an elementary DC generator?

• North pole, South pole, Armature coil, Magnetic field, Commutator, Brushes, Galvanometer

• Stator, Rotor, Field winding, Armature winding, Commutator, Brushes

• Magnets, Coils, Wires, Battery, Light bulb

• Permanent magnets, Electromagnets, Slip rings, Carbon brushes

What is the main function of the stator in a DC generator?

• To provide the magnetic field through which the armature coil rotates.

• To convert mechanical energy into electrical energy.

• To reverse the polarity of the current.

• To collect current from the commutator segments.

What is the primary purpose of the split ring in a DC generator?

• To achieve a single direction of current.

• To provide a magnetic field.

• To induce electromotive force (EMF).

• To connect the generator to an external circuit.

What are the brushes in a DC generator typically made of and what is their main function?

• Carbon; to collect current from commutator segments.

• Copper; to reverse the current direction.

• Steel; to provide mechanical support.

• Aluminum; to generate a magnetic field.

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Which rule is used to determine the direction of induced current, magnetic field, and force in a DC generator?

• Fleming's Right-Hand Rule.

• Fleming's Left-Hand Rule.

• Ohm's Law.

• Lenz's Law.