Explain principal,construction and working of D.C.generator.

Give the principle, construction and working of an a.c. generator.

With the help of labelled diagram of Van-de-Graaff generator. Explain its principle, construction and working of van-de-Graaff generator.

Explain the principle, construction and working of a step down transformer. Can it be used with a d.c. circuit?

Explain the principle, construction and working of a Nuclear reactor.

Explain the principle, construction and working of a cyclotron with the help of a labelled diagram. State its two limitations.

What is an a.c. generator? With the help of a labelled diagram, explain the construction and working of an a.c. generator.