DC Generator Quiz

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

• To convert DC to AC

• To convert AC to DC

• To increase output voltage

• To reduce friction in the coil

Which component generates electrical energy in a DC generator?

• Yoke

• Commutator

• Magnetic field

• Armature winding

What is the basic working principle of a DC generator?

• Faraday's Law of Electromagnetic Induction

• Ohm's Law

• Lenz's Law

• Newton's Second Law

A DC generator that uses a separate power supply for excitation is called:

• Compound generator

• Series generator

• Shunt generator

• Separately excited generator

What happens if the armature speed in a DC generator increases?

• Output current decreases

• Output voltage increases

• Internal resistance increases

• No change in output