A is used to rotate the magnet inside the generator.

coil

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turbine

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boiler

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Solution

The correct option is B turbine
A turbine is used to rotate the magnet in the generator. When a flow of liquid or gas is directed on the blades of a turbine, it rotates due to the kinetic energy of the flow. As we know turbines are generally connected to generator. So when the turbines starts to rotate, the magnet inside the electric generator also starts to rotate.

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