Demo History
Demo Request History
Getting info for CourseID: 5876
PHYS 2410-001: Intro Physics 2: E&M Optics
MWF 09:00-09:50 Room 211 Bob Jones
2022-08-24
- Several items from "Kinds of Charge and Charging":
_teflon and lucite rods
_teflon sheet and silk sheet for rubbing rods
_electroscope (the one with hanging foil leaves)
_roll of scotch tape
_metal sheet or aluminum foil with wire to ground for grounding/removing charge
_two or three small balloons (round/pear shaped)
- Flash Bulb Coil
2022-08-26
- Several items from "Kinds of Charge and Charging": _teflon and lucite rods
_teflon sheet and silk sheet for rubbing rods _electroscope (the one with hanging foil leaves)
_metal sheet or aluminum foil with wire to ground for grounding/removing charge
_two or three small balloons (round/pear shaped)
_bounce fabric softener sheets (let me know if I should bring them)
_Saran wrap with glass and plastic bowls/beakers
- Gravitational field model
(Only trash can or small lucite one are needed. I prefer the trash can, but lucite is OK if the larger demo is not available.
)
- video - Attraction and Repulsion Between Charged Objects
(I prefer the actual demo if possible, not the video.
)
2022-08-29
2022-08-31
- _meter stick
_knitting ring (just a plane loop, no fabric or bag)
_sliced basketball
_sliced styrofoam cone
_sliced sphere
- Gravitational field model
(Trash can version only )
2022-09-02
- knitting ring (just a plane loop, no fabric or bag)
sliced basketball
sliced styrofoam cone
sliced styrofoam sphere
- video - Smoke Precipitator
2022-09-05
- _knitting ring (just a plane loop, no fabric or bag) _sliced basketball
_sliced styrofoam cone
_sliced styrofoam sphere
_meter stick
_Dipole model between two aluminum plates with Whimshurst machine
- video - Electrostatic Bell
2022-09-07
- _Dipole model between two aluminum plates with Whimshurst machine
_knitting loops one with stretched fabric and the other with plastic bag
_styrofoam ball with purple straws pointing out to show 3D field lines
_Lucite rod with teflon for charging
- video - Electrostatic Bell
2022-09-09
- _knitting loops one with stretched fabric and the other with plastic bag
_styrofoam ball with purple straws pointing out to show 3D field lines
2022-09-12
2022-09-14
2022-09-16
2022-09-19
- Midterm Exam. No Demos today! Thanks.
2022-09-21
- Capacitor Assortment (Small variable parallel plate capacitor, 1 Farad hockey puck capacitor, large and small capacitor sizes, large sized capacitors with low capacitance for high voltage, small sized capacitors with big capacitance for small voltage,....) two yellow cylindrical capacitors with one unrolled showing metal and insulating sheets parallel aluminum plates for show and tell
- video - Parallel Plate Capacitor
(Dielectric slabs not needed today.
)
- video - Capacitor Discharge
2022-09-23
- Capacitor Assortment (Small variable parallel plate capacitor, 1 Farad hockey puck capacitor, large and small capacitor sizes, large sized capacitors with low capacitance for high voltage, small sized capacitors with big capacitance for small voltage,....) two yellow cylindrical capacitors with one unrolled showing metal and insulating sheets parallel aluminum plates for show and tell
- video - Parallel Plate Capacitor
(
(Dielectric slabs not needed today. ))
- video - Capacitor Discharge
2022-09-26
- No lecture and no demos today. Thanks.
2022-09-28
- Battery assortment ('D', AA or AAA, Lithium, lead acid...)
(3 D-cells with light bulb and wires to connect them
-
Resistor assortment
- long thin and short thick wires)
- video - Resistance Model
- Ohm's Law
((Using three D-batteries in series instead of power supply. )
)
2022-09-30
- _Light bulb to break and show filament burn (100W)
_Setup similar to Power Loss in Transmission Lines, but using 12V car battery and two light bulbs, one connected to battery using short banana wires and the other connected using long thin speaker wire.
_Circuit breakers and fuses for show and tell (get round screw in household fuses in the future)
_Ohm's law setup, with ammeter shunted out, w/ 10, 470 and 3K resistors and weak 9V battery) to show internal resistance of battery
- Blowing a Fuse
2022-10-03
2022-10-05
2022-10-07
- Large blue capacitor from capacitor discharge demo connected in parallel with a 4.5V source (3 D-batteries in series) and a flashlight bulb (I want to show discharge of the capacitor through the light bulb with a time constant somewhere in the range of a few seconds to 10 seconds)
- video - Capacitor Discharge
- video - Circuit Analysis
2022-10-10
- **Large blue capacitor from Capacitor discharge setup connected in parallel with a 4.5V source (3 D-batteries in series) and a flashlight bulb to demonstrate current decay in charging and discharging circuit
**Big vertical breadboard with battery and two 10MOhm resistors and voltmeter to demonstrate finite resistance of voltmeter
- RC Circuit w/ Battery
2022-10-12
2022-10-14
2022-10-17
2022-10-21
2022-10-24
2022-10-26
- Nothing needed for this lecture! Thanks.
2022-10-28
- **Solenoid and toroid models for show and tell
**Knitting ring (just a plain ring, nothing across it).
2022-10-31
2022-11-02
2022-11-04
2022-11-07
2022-11-09
- ***Listen to CD player (or radio) through inductively coupled coils (two coils, one connected to CD player headphone jack, other to amplified speaker, couple the coils via iron core rod
***Inductor assortment
2022-11-11
2022-11-14
- Exam today. No demos needed. Thanks!
2022-11-16
- Knitting ring with cloth stretched across it + knitting ring with plastic bag attached to it + round metal "capacitor" plates attached to metal rods mounted horizontally - we used the parallel plate capacitor plates mounted on simple aluminum rods
2022-11-18
2022-11-21
2022-11-28
2022-11-30
2022-12-02