Magnetism and Electromagnetism

Who discovered the Magnetic Effect of Electric Current?

• Michael Faraday

• H.A.Lorentz

• Hans Christian Oersted

Current carrying conductor produces ------ around it.

• Magnetic field

• Chemical reactions

• Physical changes

The direction of the Magnetic field can be found using -----

• Fleming's Left-Hand Rule

• Right-hand thumb rule

• Left-hand thumb rule

In Right-hand thumb rule, the direction of current is represented by ---------

• forefinger

• middle finger

• thumb

The strength of the magnetic field depends on ----

• current in the wire

• distance from the wire

• all the above

The magnetic field is always ------- to the direction of the current.

• perpendicular

• parallel

• none of the above

The force experienced by the current-carrying conductor, when placed in a magnetic field is known as --------.

• Lorentz Force

• Faraday's Force

• Hans Force

The direction of the force can be found using --------

• Fleming's Left-Hand Rule

• Fleming's Right-Hand Rule

• Right Hand Thumb Rule

Force on a current-carrying conductor is expressed by the equation ------

• F = ILB

• F = CLB

• F = VLB

In Fleming's Left-hand Rule, the forefinger represents ------

• Current

• Magnetic field

• Force