How is electricity generated in a power plant through electromagnetic induction?

Electricity is generated in power plants through electromagnetic induction when turbines rotate conductors within a magnetic field, inducing an alternating voltage.

Step-by-Step Solution:
Fuel (coal/gas/nuclear) heats water to create high-pressure steam
Steam rotates turbines connected to coils of wire
Coils spin within strong permanent magnets (or magnets spin past coils)
Movement of conductors through magnetic field induces voltage via electromagnetic induction
Greater rotation speed = higher induced voltage (Fleming's Right Hand Rule applies)

Key Mistake to Avoid: Students often forget that relative motion between the conductor and magnetic field is essential - either can move, but there must be cutting of magnetic field lines.


Required practical: Small-scale generator demonstration

Quick Tip: Remember the energy transfers: Chemical/Nuclear → Heat → Kinetic → Electrical. Draw this chain to check your understanding.