A.d.c. motor acts as generator too. Is it ture ?

Electric motor and Electric generator .

Motor vehicles act in

How will you convert an a.c. generator into a d.c.generator?

True or false The electric motor is used to generate electricity.

In what situations, is it preferable to use an a.c. source rather than a.d.c. source ? What is d.c. perferred to a.c. ?