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Magnetic Effects of Electric Current Quiz

10 Questions

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Magnetic Effects of Electric Current Quiz

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Questions and Answers

What is the rule used to determine the direction of the magnetic field around a straight current-carrying conductor?

Maxwell's right-hand grip rule

Right-hand thumb rule (correct)

Oersted's rule

Fleming's left-hand rule

Who discovered that a needle got deflected when a current-carrying conductor was placed nearby?

Thomas Edison

James Clerk Maxwell

Michael Faraday

Hans Christian Oersted (correct)

What is the device used to induce current in a circuit based on the principle of electromagnetic induction?

Transformer (correct)

Ammeter

Inductor

Galvanometer

Who formulated the right-hand rule to determine the direction of the magnetic field induced by a current-carrying loop?

Fleming Signup and view all the answers

What is the principle behind the working of an electric motor?

Fleming's left-hand rule Signup and view all the answers

What kind of force does a moving charge experience in a magnetic field?

A force perpendicular to its own velocity and to the magnetic field Signup and view all the answers

What materials does a permanent magnet's magnetic field pull on?

Ferromagnetic materials such as iron Signup and view all the answers

What are the three magnetic effects exerted by a nonuniform magnetic field on 'nonmagnetic' materials?

Paramagnetism, diamagnetism, and antiferromagnetism Signup and view all the answers

What mathematical concept is used to describe the strength and direction of a magnetic field?

A vector field Signup and view all the answers

What types of fields surround magnetized materials, electric currents, and electric fields varying in time?

Magnetic fields Signup and view all the answers