- A. General Materials & Mathematics
- B. Statics
- C. Kinematics & Dynamics
- D. Rotational Mechanics
- E. Gravitation & Astronomy
- F. Fluid Mechanics
- G. Vibrations & Mechanical Waves
- H. Sound
- I. Thermodynamics
- J. Electrostatics & Magnetostatics
- K. Electromagnetic Principles
- L. Geometrical Optics
- M. Wave Optics
- N. Spectra & Color
- O. Vision
- P. Modern Physics
J4-32. Discharge Of Capacitor With Bang
To demonstrate that capacitors store electrical energy.
3500 microfarad capacitor, 100 volt battery pack, large beat-up screwdriver.
A 3500 microfarad capacitor is charged to 100 volts using the battery pack. Discharging the capacitor with the large screwdriver produces a very loud BANG. Scare the whatever out of your students: tell them to listen carefully for the sound before discharging the capacitor.