question_answer

Which one of the following statements is correct?

A) Right hand thumb rule is used to find the direction of magnetic field in a coil of wire and the electric current in a straight conductor.

B) Fleming's left hand rule is used to find the direction of force exerted on a current carrying conductor in a magnetic field as in electric motor.

C) Fleming's right hand rule is used to find the direction of induced current in a closed circuit in changing magnetic field as in electric generator.

D) All of these

E) None of these