Explain the difference:

AC generator and DC generator.

Explain the construction and working of the following. Draw a neat diagram and label it.

Electric Generator (AC)

Electromagnetic induction means

a. Charging of an electric conductor.

b. Production of magnetic field due to a current flowing through a coil.

c. Generation of a current in a coil due to relative motion between the coil and the magnet.

d. Motion of the coil around the axle in an electric motor.

Which device is used to produce electricity? Describe with a neat diagram.

a. Electric motor

b. Galvanometer

c. Electric Generator (DC)

d. Voltmeter

How does the short circuit form? What is its effect?