Question

Which of the following rules is used to determine the direction of induced current due to the motion of coil at right angle of the magnetic field?

• A. Fleming's left-hand rule
• B. Maxwell's corkscrew rule
• C. Right-hand thumb rule
• D. Fleming's right-hand rule

Answer 1

Answer:

D. Fleming's right-hand rule

According to Faraday’s law of electromagnetic induction, when a conductor moves through a magnetic field, an electric current is induced in it. Fleming’s right-hand rule is used to determine the direction of the induced current. According to Fleming's right-hand rule, the thumb, forefinger, and middle finger of the right hand are stretched to be perpendicular to each other and if the thumb represents the direction of the movement of the conductor, the fore-finger represents the direction of the magnetic field, then the middle finger represents the direction of the induced current. It is used used to determine the direction of current in a generator's windings.