AC  DC generator is based on the principle of:

Correct option is C

• A DC generator works on the principle of electromagnetic induction.
  • When a conductor (such as a coil of wire) moves through a magnetic field, an electromotive force (EMF) or voltage is induced in the conductor.
  • This is based on Faraday's Law of Induction.
  • The magnetic field causes the free electrons in the conductor to move, generating an electrical current.

• heating effect of current: Refers to the heat generated when current passes through a conductor, This is related to Joule's law and is used in applications like electric heaters.
• magnetic effect of current: Refers to the magnetic field generated by current-carrying conductors, which is utilized in devices like electromagnets.
• inductive effect: Refers to the property of inductance in circuits.