AC Generators Quiz

What is the purpose of a magnetic field in an AC generator?

• To increase the speed of the rotating coil of wire

• To induce a current in the rotating coil of wire

• To generate light in the generator

• To create heat in the generator

What is the principle of AC generation?

• Conduction

• Convection

• Electromagnetic induction

• Radiation

Name one subtopic related to AC generators.

• Electromagnetic induction

• Newton's law

• Ohm's law

• Faraday's law

What are the main components of an AC generator?

• diode, transistor, resistor

• rotor, stator, exciter

• transformer, capacitor, resistor

• armature, commutator, brushes

How does an AC generator work?

• An AC generator works by using electromagnetic induction.

• An AC generator works by using chemical reactions.

• An AC generator works by using mechanical energy.

• An AC generator works by using solar energy.

What is the role of the rotor in an AC generator?

• To convert mechanical energy into electrical energy.

• To regulate the voltage output.

• To produce a rotating magnetic field.

• To generate a direct current.

What is the role of the stator in an AC generator?

• The stator controls the speed of the rotating magnetic field.

• The stator regulates the voltage output of the generator.

• The stator produces a rotating magnetic field.

• The stator converts mechanical energy into electrical energy.

What is the function of the commutator in an AC generator?

• To regulate the voltage in the generator

• To increase the frequency of the generated AC

• To convert DC to AC

• To convert AC to DC

What is the function of the brushes in an AC generator?

• Generate heat

• Store electrical energy

• Control voltage output

• Transfer electrical current

What is the difference between an AC generator and a DC generator?

• AC generators produce alternating current, while DC generators produce direct current.

• AC generators produce direct current, while DC generators produce alternating current.

• AC generators and DC generators both produce alternating current.

• AC generators and DC generators both produce direct current.