Podcast
Questions and Answers
Which English physicist demonstrated that magnetic fields can produce voltage in a closed circuit?
Which English physicist demonstrated that magnetic fields can produce voltage in a closed circuit?
- Albert Einstein
- Isaac Newton
- James Clerk Maxwell
- Michael Faraday (correct)
How is the induced emf affected by the number of turns in a coil?
How is the induced emf affected by the number of turns in a coil?
- It is directly proportional to the number of turns (correct)
- It is inversely proportional to the number of turns
- It is not affected by the number of turns
- It is proportional to the square of the number of turns
What is the unit of measurement for magnetic flux?
What is the unit of measurement for magnetic flux?
- Weber (correct)
- Tesla
- Volt
- Ampere
When is the induced emf greatest in a coil?
When is the induced emf greatest in a coil?
What does the symbol Δt represent in the equation for induced emf?
What does the symbol Δt represent in the equation for induced emf?
What is the significance of the angle θ in the equation for induced emf?
What is the significance of the angle θ in the equation for induced emf?
What is the relationship between the induced emf and the strength of the magnetic field?
What is the relationship between the induced emf and the strength of the magnetic field?
What is the role of a closed circuit in electromagnetic induction?
What is the role of a closed circuit in electromagnetic induction?
What is the significance of the negative sign in Faraday's Law equation?
What is the significance of the negative sign in Faraday's Law equation?
How does the orientation of a coil relative to a magnetic field affect the induced emf?
How does the orientation of a coil relative to a magnetic field affect the induced emf?
What is the relationship between the area of a coil and the induced emf?
What is the relationship between the area of a coil and the induced emf?
What is self-inductance in a coil?
What is self-inductance in a coil?
