What type of generator is used at Power Stations?

Name the rule which gives the direction of induced current.

What condition is necessary for the production of current by electromagnetic induction?

What change should be made in an a.c. generator so that it may become a d.c. generator?

State whether the following statements are true or false:

(a) A generator works on the principle of electromagnetic induction.

(b) A motor works on the principle of electromagnetic induction.