Question
Physics Question on ac generator
The working of a dynamo is based on the principle of
A
chemical effect of current
B
heating effect of current
C
electromagnetic induction
D
magnetic effect of current.
Answer
electromagnetic induction
Explanation
Solution
Dynamo operates on the principle of the production of dynamically induced e.m.f. Therefore whenever flux is cut by the conductor, some e.m.f. is produced in it according to the law of electromagnetic induction.