Question

The principle of dynamo was discovered by
(a) Sir Humphry Davy
(b) Michael Faraday
(C) Albert Einstein
(d) Max Planck​

Answer 1

B) Michael faraday that’s is the answer

Answer 2

Answer:

B) Michael Faraday

Explanation:

Michael Faraday invented the 'Dynamo' or The First Laboratory models of Electric Generator in 1831. It consisted of a Copper Disk that rotated between the Poles of a Magnet. This was not a 'Dynamo' in technical sense as it did not use a Commutator.