Discuss the factors which determine the maximum e.m.f generated by a dynamo.

Discuss the factors which determine the maximum e.m.f generated by a dynamo.

Induced e.m.f, E = 2πfNBAsin 2πft

Maximum e.m.f, E₀ = 2πfNBA

Thus maximum e.m.f increases with increase in

• frequency or angular velocity
• number of turns in the coil
• area of the coil
• magnetic flux density.

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