Podcast
Questions and Answers
What is the symbol for Magnetomotive force?
What is the symbol for Magnetomotive force?
- H
- B
- F (correct)
- Φ
Who introduced the unit of Gilbert for magnetic properties?
Who introduced the unit of Gilbert for magnetic properties?
- James Clerk Maxwell
- Karl Friedrich Gauss
- William Gilbert (correct)
- Nikola Tesla
What is the SI unit for magnetic flux density?
What is the SI unit for magnetic flux density?
- Oersted (Oe)
- At/m
- Tesla (T) (correct)
- Gauss (G)
What does the nucleus of an atom contain?
What does the nucleus of an atom contain?
Which scientist is associated with the unit of Maxwell (Mx) for magnetic properties?
Which scientist is associated with the unit of Maxwell (Mx) for magnetic properties?
What do valence electrons control in an atom according to the text?
What do valence electrons control in an atom according to the text?
According to Gauss's law for electricity, how can the electric field due to electric charges be derived?
According to Gauss's law for electricity, how can the electric field due to electric charges be derived?
What does Gauss’ law for magnetism state about the net magnetic flux through any closed surface?
What does Gauss’ law for magnetism state about the net magnetic flux through any closed surface?
According to Ampere’s law, what can produce magnetic fields apart from electric currents?
According to Ampere’s law, what can produce magnetic fields apart from electric currents?
What property do particles need to possess in order for the electromagnetic field to exert a force on them?
What property do particles need to possess in order for the electromagnetic field to exert a force on them?
In electromagnetism, what does Faraday’s law of induction describe?
In electromagnetism, what does Faraday’s law of induction describe?
What does Gauss’s law for magnetism say about the behavior of magnetic field lines within a closed surface?
What does Gauss’s law for magnetism say about the behavior of magnetic field lines within a closed surface?
What is the phase shift angle when the power factor is 0.95?
What is the phase shift angle when the power factor is 0.95?
What is the current through the motor when the power factor is 0.95 and R = 6.0 amp?
What is the current through the motor when the power factor is 0.95 and R = 6.0 amp?
What is magnetomotive force (mmf) analogous to in electric circuits?
What is magnetomotive force (mmf) analogous to in electric circuits?
What are the forces between magnets primarily caused by?
What are the forces between magnets primarily caused by?
What is the total field effect or 'substance' of a magnetic field analogous to in electric circuits?
What is the total field effect or 'substance' of a magnetic field analogous to in electric circuits?
What material were the first known magnets made of?
What material were the first known magnets made of?
