Last post of this chapter, & a nice segue to the next…
- Applications of EM Induction
- Eddy currents
- Generators
- Transformers
Month: April 2021
PHY C23: Lenz’s Law & further explanations on EM Induction
…and now we get to the exciting part!
- Explanation on EM Induction
- Lenz’s Law
PHY C23: Electromagnetic Induction
Before this, we have seen how a current-carrying conductor in a constant magnetic field will experience a force. Now we turn to the opposite of this effect:
- EM Induction
- Magnetic Flux Linkage
- Factors affecting the magnitude of induced e.m.f.
- Faraday’s Law
PHY C23: Magnetic Flux
New chapter! Let’s start off with a very important concept:
- Magnetic Flux
- Φ = BA sin θ
PHY C22: NMRI
After exploring Ultrasound, let’s dive into another form of medical imaging!
- Principles behind the use of NMRI
- Functions of
- uniform magnetic field
- RF pulses
- non-uniform magnetic field
PHY C22: Charged Particles in Electric & Magnetic Fields
A tough one (but an interesting one!):
- Velocity selection
- Hall voltage
PHY C22: Charged Particles in Magnetic Fields
So far we’ve explored forces on permanent magnets & current-carrying conductors. But what about free-moving charged particles?
- Force on a charge moving in a magnetic field
- F = Bqv sin θ
- Determination of v & e/me for electrons
PHY C22: Magnetic Flux Density
Now that we got the basics down, let’s introduce a new term:
- Magnetic Flux Density
- Tesla
- Measuring magnetic flux density
PHY C22: Magnetic Fields
A new field!
- Magnetic Fields
- Magnetic Field Lines
- Force on a current-carrying conductor in a magnetic field
- F = BIL sin θ
- Force between parallel current-carrying conductors
PHY C21: Outputs of Op-Amp Circuits
We’ve looked at op-amps as comparators & amplifiers, so now let’s look at what their outputs may be connected to!
- Output devices
- Relays
- LEDs
- Digital meters
- Calibration
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