Podcast
Questions and Answers
What is the rule used to determine the direction of the magnetic field around a straight current-carrying conductor?
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?
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?
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?
Who formulated the right-hand rule to determine the direction of the magnetic field induced by a current-carrying loop?
What is the principle behind the working of an electric motor?
What is the principle behind the working of an electric motor?
What kind of force does a moving charge experience in a magnetic field?
What kind of force does a moving charge experience in a magnetic field?
What materials does a permanent magnet's magnetic field pull on?
What materials does a permanent magnet's magnetic field pull on?
What are the three magnetic effects exerted by a nonuniform magnetic field on 'nonmagnetic' materials?
What are the three magnetic effects exerted by a nonuniform magnetic field on 'nonmagnetic' materials?
What mathematical concept is used to describe the strength and direction of a magnetic field?
What mathematical concept is used to describe the strength and direction of a magnetic field?
What types of fields surround magnetized materials, electric currents, and electric fields varying in time?
What types of fields surround magnetized materials, electric currents, and electric fields varying in time?